Home / 20,736,086.20-31,104,129.30-16,453,065.40

Finding the Fourth Proportional to 20,736,086.20, 31,104,129.30 and 16,453,065.40

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Solution

The fourth proportional to 20,736,086.20, 31,104,129.30 and 16,453,065.40 is: 24,679,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,086.20 : 31,104,129.30 = 16,453,065.40 : x
  2. Step 2: Convert to fraction form
    20,736,086.20/31,104,129.30 = 16,453,065.40/x
  3. Step 3: Cross multiply
    20,736,086.20x = 31,104,129.30 × 16,453,065.40
  4. Step 4: Simplify right side
    20,736,086.20x = 511,758,273,582,956.25
  5. Step 5: Solve for x
    x = 511,758,273,582,956.25/20,736,086.20
  6. Step 6: Final answer
    x = 24,679,598.10

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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.