Home / 8,538,130.80-12,802,818.60-2,553,721.20

Finding the Fourth Proportional to 8,538,130.80, 12,802,818.60 and 2,553,721.20

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Solution

The fourth proportional to 8,538,130.80, 12,802,818.60 and 2,553,721.20 is: 3,829,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,130.80 : 12,802,818.60 = 2,553,721.20 : x
  2. Step 2: Convert to fraction form
    8,538,130.80/12,802,818.60 = 2,553,721.20/x
  3. Step 3: Cross multiply
    8,538,130.80x = 12,802,818.60 × 2,553,721.20
  4. Step 4: Simplify right side
    8,538,130.80x = 32,694,829,278,574.32
  5. Step 5: Solve for x
    x = 32,694,829,278,574.32/8,538,130.80
  6. Step 6: Final answer
    x = 3,829,272.48

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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.