Home / 21,062,354.70-31,584,200.85-9,706,284.30

Finding the Fourth Proportional to 21,062,354.70, 31,584,200.85 and 9,706,284.30

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Solution

The fourth proportional to 21,062,354.70, 31,584,200.85 and 9,706,284.30 is: 14,555,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,354.70 : 31,584,200.85 = 9,706,284.30 : x
  2. Step 2: Convert to fraction form
    21,062,354.70/31,584,200.85 = 9,706,284.30/x
  3. Step 3: Cross multiply
    21,062,354.70x = 31,584,200.85 × 9,706,284.30
  4. Step 4: Simplify right side
    21,062,354.70x = 306,565,232,838,401.69
  5. Step 5: Solve for x
    x = 306,565,232,838,401.69/21,062,354.70
  6. Step 6: Final answer
    x = 14,555,126.30

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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.