Home / 15,970,666.20-23,955,999.30-13,278,031.80

Finding the Fourth Proportional to 15,970,666.20, 23,955,999.30 and 13,278,031.80

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Solution

The fourth proportional to 15,970,666.20, 23,955,999.30 and 13,278,031.80 is: 19,917,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970,666.20 : 23,955,999.30 = 13,278,031.80 : x
  2. Step 2: Convert to fraction form
    15,970,666.20/23,955,999.30 = 13,278,031.80/x
  3. Step 3: Cross multiply
    15,970,666.20x = 23,955,999.30 × 13,278,031.80
  4. Step 4: Simplify right side
    15,970,666.20x = 318,088,520,506,177.75
  5. Step 5: Solve for x
    x = 318,088,520,506,177.75/15,970,666.20
  6. Step 6: Final answer
    x = 19,917,047.70

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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.