Home / 28,216,047.75-42,313,915.44-9,766,979.88

Finding the Fourth Proportional to 28,216,047.75, 42,313,915.44 and 9,766,979.88

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Solution

The fourth proportional to 28,216,047.75, 42,313,915.44 and 9,766,979.88 is: 14,646,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216,047.75 : 42,313,915.44 = 9,766,979.88 : x
  2. Step 2: Convert to fraction form
    28,216,047.75/42,313,915.44 = 9,766,979.88/x
  3. Step 3: Cross multiply
    28,216,047.75x = 42,313,915.44 × 9,766,979.88
  4. Step 4: Simplify right side
    28,216,047.75x = 413,279,160,746,501.38
  5. Step 5: Solve for x
    x = 413,279,160,746,501.38/28,216,047.75
  6. Step 6: Final answer
    x = 14,646,954.26

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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.