Home / 27,985,979.52-38,618,955.03-15,426,484.92

Finding the Fourth Proportional to 27,985,979.52, 38,618,955.03 and 15,426,484.92

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Solution

The fourth proportional to 27,985,979.52, 38,618,955.03 and 15,426,484.92 is: 21,287,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985,979.52 : 38,618,955.03 = 15,426,484.92 : x
  2. Step 2: Convert to fraction form
    27,985,979.52/38,618,955.03 = 15,426,484.92/x
  3. Step 3: Cross multiply
    27,985,979.52x = 38,618,955.03 × 15,426,484.92
  4. Step 4: Simplify right side
    27,985,979.52x = 595,754,727,396,453.12
  5. Step 5: Solve for x
    x = 595,754,727,396,453.12/27,985,979.52
  6. Step 6: Final answer
    x = 21,287,613.93

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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.