Home / 19,952,749.60-29,937,937.20-9,711,930.40

Finding the Fourth Proportional to 19,952,749.60, 29,937,937.20 and 9,711,930.40

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Solution

The fourth proportional to 19,952,749.60, 29,937,937.20 and 9,711,930.40 is: 14,572,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952,749.60 : 29,937,937.20 = 9,711,930.40 : x
  2. Step 2: Convert to fraction form
    19,952,749.60/29,937,937.20 = 9,711,930.40/x
  3. Step 3: Cross multiply
    19,952,749.60x = 29,937,937.20 × 9,711,930.40
  4. Step 4: Simplify right side
    19,952,749.60x = 290,755,162,405,970.88
  5. Step 5: Solve for x
    x = 290,755,162,405,970.88/19,952,749.60
  6. Step 6: Final answer
    x = 14,572,185.20

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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.