Home / 18,659,044.80-28,001,008.80-10,572,004.80

Finding the Fourth Proportional to 18,659,044.80, 28,001,008.80 and 10,572,004.80

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Solution

The fourth proportional to 18,659,044.80, 28,001,008.80 and 10,572,004.80 is: 15,865,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659,044.80 : 28,001,008.80 = 10,572,004.80 : x
  2. Step 2: Convert to fraction form
    18,659,044.80/28,001,008.80 = 10,572,004.80/x
  3. Step 3: Cross multiply
    18,659,044.80x = 28,001,008.80 × 10,572,004.80
  4. Step 4: Simplify right side
    18,659,044.80x = 296,026,799,438,442.25
  5. Step 5: Solve for x
    x = 296,026,799,438,442.25/18,659,044.80
  6. Step 6: Final answer
    x = 15,865,056.47

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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.