Home / 15,889,069.71-21,929,149.71-9,275,827.14

Finding the Fourth Proportional to 15,889,069.71, 21,929,149.71 and 9,275,827.14

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Solution

The fourth proportional to 15,889,069.71, 21,929,149.71 and 9,275,827.14 is: 12,801,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889,069.71 : 21,929,149.71 = 9,275,827.14 : x
  2. Step 2: Convert to fraction form
    15,889,069.71/21,929,149.71 = 9,275,827.14/x
  3. Step 3: Cross multiply
    15,889,069.71x = 21,929,149.71 × 9,275,827.14
  4. Step 4: Simplify right side
    15,889,069.71x = 203,411,002,037,141.16
  5. Step 5: Solve for x
    x = 203,411,002,037,141.16/15,889,069.71
  6. Step 6: Final answer
    x = 12,801,945.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.