Home / 21,302,138.20-31,953,207.30-14,499,693.40

Finding the Fourth Proportional to 21,302,138.20, 31,953,207.30 and 14,499,693.40

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Solution

The fourth proportional to 21,302,138.20, 31,953,207.30 and 14,499,693.40 is: 21,749,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,138.20 : 31,953,207.30 = 14,499,693.40 : x
  2. Step 2: Convert to fraction form
    21,302,138.20/31,953,207.30 = 14,499,693.40/x
  3. Step 3: Cross multiply
    21,302,138.20x = 31,953,207.30 × 14,499,693.40
  4. Step 4: Simplify right side
    21,302,138.20x = 463,311,708,996,641.81
  5. Step 5: Solve for x
    x = 463,311,708,996,641.81/21,302,138.20
  6. Step 6: Final answer
    x = 21,749,540.10

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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.