Home / 8,323,132.80-12,488,198.40-4,539,331.20

Finding the Fourth Proportional to 8,323,132.80, 12,488,198.40 and 4,539,331.20

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Solution

The fourth proportional to 8,323,132.80, 12,488,198.40 and 4,539,331.20 is: 6,810,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,132.80 : 12,488,198.40 = 4,539,331.20 : x
  2. Step 2: Convert to fraction form
    8,323,132.80/12,488,198.40 = 4,539,331.20/x
  3. Step 3: Cross multiply
    8,323,132.80x = 12,488,198.40 × 4,539,331.20
  4. Step 4: Simplify right side
    8,323,132.80x = 56,688,068,628,910.09
  5. Step 5: Solve for x
    x = 56,688,068,628,910.09/8,323,132.80
  6. Step 6: Final answer
    x = 6,810,905.22

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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.