Home / 12,728,122.52-17,564,472.14-6,926,779.40

Finding the Fourth Proportional to 12,728,122.52, 17,564,472.14 and 6,926,779.40

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Solution

The fourth proportional to 12,728,122.52, 17,564,472.14 and 6,926,779.40 is: 9,558,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,122.52 : 17,564,472.14 = 6,926,779.40 : x
  2. Step 2: Convert to fraction form
    12,728,122.52/17,564,472.14 = 6,926,779.40/x
  3. Step 3: Cross multiply
    12,728,122.52x = 17,564,472.14 × 6,926,779.40
  4. Step 4: Simplify right side
    12,728,122.52x = 121,665,223,668,769.66
  5. Step 5: Solve for x
    x = 121,665,223,668,769.66/12,728,122.52
  6. Step 6: Final answer
    x = 9,558,772.20

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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.