Home / 19,790,438.90-29,681,511.15-9,700,301.30

Finding the Fourth Proportional to 19,790,438.90, 29,681,511.15 and 9,700,301.30

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Solution

The fourth proportional to 19,790,438.90, 29,681,511.15 and 9,700,301.30 is: 14,548,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790,438.90 : 29,681,511.15 = 9,700,301.30 : x
  2. Step 2: Convert to fraction form
    19,790,438.90/29,681,511.15 = 9,700,301.30/x
  3. Step 3: Cross multiply
    19,790,438.90x = 29,681,511.15 × 9,700,301.30
  4. Step 4: Simplify right side
    19,790,438.90x = 287,919,601,194,309.50
  5. Step 5: Solve for x
    x = 287,919,601,194,309.50/19,790,438.90
  6. Step 6: Final answer
    x = 14,548,419.20

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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.