Home / 19,905,473.12-29,862,948-6,442,301.12

Finding the Fourth Proportional to 19,905,473.12, 29,862,948 and 6,442,301.12

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Solution

The fourth proportional to 19,905,473.12, 29,862,948 and 6,442,301.12 is: 9,664,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905,473.12 : 29,862,948 = 6,442,301.12 : x
  2. Step 2: Convert to fraction form
    19,905,473.12/29,862,948 = 6,442,301.12/x
  3. Step 3: Cross multiply
    19,905,473.12x = 29,862,948 × 6,442,301.12
  4. Step 4: Simplify right side
    19,905,473.12x = 192,386,103,346,901.75
  5. Step 5: Solve for x
    x = 192,386,103,346,901.75/19,905,473.12
  6. Step 6: Final answer
    x = 9,664,985.21

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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.