Home / 28,331,145.80-42,496,718.70-22,166,430.20

Finding the Fourth Proportional to 28,331,145.80, 42,496,718.70 and 22,166,430.20

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Solution

The fourth proportional to 28,331,145.80, 42,496,718.70 and 22,166,430.20 is: 33,249,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,145.80 : 42,496,718.70 = 22,166,430.20 : x
  2. Step 2: Convert to fraction form
    28,331,145.80/42,496,718.70 = 22,166,430.20/x
  3. Step 3: Cross multiply
    28,331,145.80x = 42,496,718.70 × 22,166,430.20
  4. Step 4: Simplify right side
    28,331,145.80x = 942,000,548,792,584.75
  5. Step 5: Solve for x
    x = 942,000,548,792,584.75/28,331,145.80
  6. Step 6: Final answer
    x = 33,249,645.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.