Home / 19,721,275.52-29,581,913.84-5,344,342.72

Finding the Fourth Proportional to 19,721,275.52, 29,581,913.84 and 5,344,342.72

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Solution

The fourth proportional to 19,721,275.52, 29,581,913.84 and 5,344,342.72 is: 8,016,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721,275.52 : 29,581,913.84 = 5,344,342.72 : x
  2. Step 2: Convert to fraction form
    19,721,275.52/29,581,913.84 = 5,344,342.72/x
  3. Step 3: Cross multiply
    19,721,275.52x = 29,581,913.84 × 5,344,342.72
  4. Step 4: Simplify right side
    19,721,275.52x = 158,095,885,874,471.25
  5. Step 5: Solve for x
    x = 158,095,885,874,471.25/19,721,275.52
  6. Step 6: Final answer
    x = 8,016,514.23

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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.