Home / 28,430,387.62-42,645,548.31-9,261,113.74

Finding the Fourth Proportional to 28,430,387.62, 42,645,548.31 and 9,261,113.74

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Solution

The fourth proportional to 28,430,387.62, 42,645,548.31 and 9,261,113.74 is: 13,891,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,387.62 : 42,645,548.31 = 9,261,113.74 : x
  2. Step 2: Convert to fraction form
    28,430,387.62/42,645,548.31 = 9,261,113.74/x
  3. Step 3: Cross multiply
    28,430,387.62x = 42,645,548.31 × 9,261,113.74
  4. Step 4: Simplify right side
    28,430,387.62x = 394,945,273,403,574.81
  5. Step 5: Solve for x
    x = 394,945,273,403,574.81/28,430,387.62
  6. Step 6: Final answer
    x = 13,891,659.82

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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.