Home / 19,815,938-29,699,039.16-10,717,672.40

Finding the Fourth Proportional to 19,815,938, 29,699,039.16 and 10,717,672.40

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Solution

The fourth proportional to 19,815,938, 29,699,039.16 and 10,717,672.40 is: 16,063,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,938 : 29,699,039.16 = 10,717,672.40 : x
  2. Step 2: Convert to fraction form
    19,815,938/29,699,039.16 = 10,717,672.40/x
  3. Step 3: Cross multiply
    19,815,938x = 29,699,039.16 × 10,717,672.40
  4. Step 4: Simplify right side
    19,815,938x = 318,304,572,311,651.19
  5. Step 5: Solve for x
    x = 318,304,572,311,651.19/19,815,938
  6. Step 6: Final answer
    x = 16,063,058.55

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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.