Home / 15,618,979.28-23,443,581.76-7,537,643.84

Finding the Fourth Proportional to 15,618,979.28, 23,443,581.76 and 7,537,643.84

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Solution

The fourth proportional to 15,618,979.28, 23,443,581.76 and 7,537,643.84 is: 11,313,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618,979.28 : 23,443,581.76 = 7,537,643.84 : x
  2. Step 2: Convert to fraction form
    15,618,979.28/23,443,581.76 = 7,537,643.84/x
  3. Step 3: Cross multiply
    15,618,979.28x = 23,443,581.76 × 7,537,643.84
  4. Step 4: Simplify right side
    15,618,979.28x = 176,709,369,640,800.38
  5. Step 5: Solve for x
    x = 176,709,369,640,800.38/15,618,979.28
  6. Step 6: Final answer
    x = 11,313,759.14

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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.