Home / 28,033,807.20-42,050,710.80-7,563,487.20

Finding the Fourth Proportional to 28,033,807.20, 42,050,710.80 and 7,563,487.20

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Solution

The fourth proportional to 28,033,807.20, 42,050,710.80 and 7,563,487.20 is: 11,345,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033,807.20 : 42,050,710.80 = 7,563,487.20 : x
  2. Step 2: Convert to fraction form
    28,033,807.20/42,050,710.80 = 7,563,487.20/x
  3. Step 3: Cross multiply
    28,033,807.20x = 42,050,710.80 × 7,563,487.20
  4. Step 4: Simplify right side
    28,033,807.20x = 318,050,012,886,701.75
  5. Step 5: Solve for x
    x = 318,050,012,886,701.75/28,033,807.20
  6. Step 6: Final answer
    x = 11,345,230.80

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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.