Home / 20,736,023.10-31,104,034.65-15,626,672.70

Finding the Fourth Proportional to 20,736,023.10, 31,104,034.65 and 15,626,672.70

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Solution

The fourth proportional to 20,736,023.10, 31,104,034.65 and 15,626,672.70 is: 23,440,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,023.10 : 31,104,034.65 = 15,626,672.70 : x
  2. Step 2: Convert to fraction form
    20,736,023.10/31,104,034.65 = 15,626,672.70/x
  3. Step 3: Cross multiply
    20,736,023.10x = 31,104,034.65 × 15,626,672.70
  4. Step 4: Simplify right side
    20,736,023.10x = 486,052,569,125,009
  5. Step 5: Solve for x
    x = 486,052,569,125,009/20,736,023.10
  6. Step 6: Final answer
    x = 23,440,009.05

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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.