Home / 28,541,176.42-39,386,849.21-15,488,435.47

Finding the Fourth Proportional to 28,541,176.42, 39,386,849.21 and 15,488,435.47

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Solution

The fourth proportional to 28,541,176.42, 39,386,849.21 and 15,488,435.47 is: 21,374,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,176.42 : 39,386,849.21 = 15,488,435.47 : x
  2. Step 2: Convert to fraction form
    28,541,176.42/39,386,849.21 = 15,488,435.47/x
  3. Step 3: Cross multiply
    28,541,176.42x = 39,386,849.21 × 15,488,435.47
  4. Step 4: Simplify right side
    28,541,176.42x = 610,040,672,355,705.50
  5. Step 5: Solve for x
    x = 610,040,672,355,705.50/28,541,176.42
  6. Step 6: Final answer
    x = 21,374,054.92

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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.