Home / 29,079,854.44-40,129,678.50-15,849,150.52

Finding the Fourth Proportional to 29,079,854.44, 40,129,678.50 and 15,849,150.52

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Solution

The fourth proportional to 29,079,854.44, 40,129,678.50 and 15,849,150.52 is: 21,871,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079,854.44 : 40,129,678.50 = 15,849,150.52 : x
  2. Step 2: Convert to fraction form
    29,079,854.44/40,129,678.50 = 15,849,150.52/x
  3. Step 3: Cross multiply
    29,079,854.44x = 40,129,678.50 × 15,849,150.52
  4. Step 4: Simplify right side
    29,079,854.44x = 636,021,314,865,707.75
  5. Step 5: Solve for x
    x = 636,021,314,865,707.75/29,079,854.44
  6. Step 6: Final answer
    x = 21,871,543.96

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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.