Home / 8,321,334.40-12,482,001.60-7,761,462.40

Finding the Fourth Proportional to 8,321,334.40, 12,482,001.60 and 7,761,462.40

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Solution

The fourth proportional to 8,321,334.40, 12,482,001.60 and 7,761,462.40 is: 11,642,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,334.40 : 12,482,001.60 = 7,761,462.40 : x
  2. Step 2: Convert to fraction form
    8,321,334.40/12,482,001.60 = 7,761,462.40/x
  3. Step 3: Cross multiply
    8,321,334.40x = 12,482,001.60 × 7,761,462.40
  4. Step 4: Simplify right side
    8,321,334.40x = 96,878,586,095,139.84
  5. Step 5: Solve for x
    x = 96,878,586,095,139.84/8,321,334.40
  6. Step 6: Final answer
    x = 11,642,193.60

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Similar ratio
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1.5x scale

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.