Home / 38,600,615.20-57,902,784.86-12,692,342.92

Finding the Fourth Proportional to 38,600,615.20, 57,902,784.86 and 12,692,342.92

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Solution

The fourth proportional to 38,600,615.20, 57,902,784.86 and 12,692,342.92 is: 19,039,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600,615.20 : 57,902,784.86 = 12,692,342.92 : x
  2. Step 2: Convert to fraction form
    38,600,615.20/57,902,784.86 = 12,692,342.92/x
  3. Step 3: Cross multiply
    38,600,615.20x = 57,902,784.86 × 12,692,342.92
  4. Step 4: Simplify right side
    38,600,615.20x = 734,922,001,402,642.38
  5. Step 5: Solve for x
    x = 734,922,001,402,642.38/38,600,615.20
  6. Step 6: Final answer
    x = 19,039,126.65

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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.