Home / 15,739,440.08-21,720,471.50-9,125,313.89

Finding the Fourth Proportional to 15,739,440.08, 21,720,471.50 and 9,125,313.89

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Solution

The fourth proportional to 15,739,440.08, 21,720,471.50 and 9,125,313.89 is: 12,592,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,440.08 : 21,720,471.50 = 9,125,313.89 : x
  2. Step 2: Convert to fraction form
    15,739,440.08/21,720,471.50 = 9,125,313.89/x
  3. Step 3: Cross multiply
    15,739,440.08x = 21,720,471.50 × 9,125,313.89
  4. Step 4: Simplify right side
    15,739,440.08x = 198,206,120,190,510.06
  5. Step 5: Solve for x
    x = 198,206,120,190,510.06/15,739,440.08
  6. Step 6: Final answer
    x = 12,592,958.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.