Home / 13,488,053.60-20,232,080.40-6,661,989.20

Finding the Fourth Proportional to 13,488,053.60, 20,232,080.40 and 6,661,989.20

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Solution

The fourth proportional to 13,488,053.60, 20,232,080.40 and 6,661,989.20 is: 9,992,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,053.60 : 20,232,080.40 = 6,661,989.20 : x
  2. Step 2: Convert to fraction form
    13,488,053.60/20,232,080.40 = 6,661,989.20/x
  3. Step 3: Cross multiply
    13,488,053.60x = 20,232,080.40 × 6,661,989.20
  4. Step 4: Simplify right side
    13,488,053.60x = 134,785,901,118,331.67
  5. Step 5: Solve for x
    x = 134,785,901,118,331.67/13,488,053.60
  6. Step 6: Final answer
    x = 9,992,983.80

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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.