Home / 19,123,747.43-26,390,001.53-10,421,733.20

Finding the Fourth Proportional to 19,123,747.43, 26,390,001.53 and 10,421,733.20

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Solution

The fourth proportional to 19,123,747.43, 26,390,001.53 and 10,421,733.20 is: 14,381,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,747.43 : 26,390,001.53 = 10,421,733.20 : x
  2. Step 2: Convert to fraction form
    19,123,747.43/26,390,001.53 = 10,421,733.20/x
  3. Step 3: Cross multiply
    19,123,747.43x = 26,390,001.53 × 10,421,733.20
  4. Step 4: Simplify right side
    19,123,747.43x = 275,029,554,987,356.12
  5. Step 5: Solve for x
    x = 275,029,554,987,356.12/19,123,747.43
  6. Step 6: Final answer
    x = 14,381,572.23

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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.