Home / 8,361,206.40-12,541,809.60-6,681,590.40

Finding the Fourth Proportional to 8,361,206.40, 12,541,809.60 and 6,681,590.40

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Solution

The fourth proportional to 8,361,206.40, 12,541,809.60 and 6,681,590.40 is: 10,022,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,206.40 : 12,541,809.60 = 6,681,590.40 : x
  2. Step 2: Convert to fraction form
    8,361,206.40/12,541,809.60 = 6,681,590.40/x
  3. Step 3: Cross multiply
    8,361,206.40x = 12,541,809.60 × 6,681,590.40
  4. Step 4: Simplify right side
    8,361,206.40x = 83,799,234,621,987.84
  5. Step 5: Solve for x
    x = 83,799,234,621,987.84/8,361,206.40
  6. Step 6: Final answer
    x = 10,022,385.60

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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.