Home / 31,591,973.25-47,387,959.92-7,657,445.25

Finding the Fourth Proportional to 31,591,973.25, 47,387,959.92 and 7,657,445.25

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Solution

The fourth proportional to 31,591,973.25, 47,387,959.92 and 7,657,445.25 is: 11,486,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591,973.25 : 47,387,959.92 = 7,657,445.25 : x
  2. Step 2: Convert to fraction form
    31,591,973.25/47,387,959.92 = 7,657,445.25/x
  3. Step 3: Cross multiply
    31,591,973.25x = 47,387,959.92 × 7,657,445.25
  4. Step 4: Simplify right side
    31,591,973.25x = 362,870,708,596,594.38
  5. Step 5: Solve for x
    x = 362,870,708,596,594.38/31,591,973.25
  6. Step 6: Final answer
    x = 11,486,167.89

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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.