Home / 28,422,140.40-42,577,223.40-26,406,601.20

Finding the Fourth Proportional to 28,422,140.40, 42,577,223.40 and 26,406,601.20

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Solution

The fourth proportional to 28,422,140.40, 42,577,223.40 and 26,406,601.20 is: 39,557,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422,140.40 : 42,577,223.40 = 26,406,601.20 : x
  2. Step 2: Convert to fraction form
    28,422,140.40/42,577,223.40 = 26,406,601.20/x
  3. Step 3: Cross multiply
    28,422,140.40x = 42,577,223.40 × 26,406,601.20
  4. Step 4: Simplify right side
    28,422,140.40x = 1,124,319,758,527,108
  5. Step 5: Solve for x
    x = 1,124,319,758,527,108/28,422,140.40
  6. Step 6: Final answer
    x = 39,557,884.90

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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.