Home / 8,064,312.60-12,096,468.90-7,420,459.80

Finding the Fourth Proportional to 8,064,312.60, 12,096,468.90 and 7,420,459.80

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Solution

The fourth proportional to 8,064,312.60, 12,096,468.90 and 7,420,459.80 is: 11,130,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,312.60 : 12,096,468.90 = 7,420,459.80 : x
  2. Step 2: Convert to fraction form
    8,064,312.60/12,096,468.90 = 7,420,459.80/x
  3. Step 3: Cross multiply
    8,064,312.60x = 12,096,468.90 × 7,420,459.80
  4. Step 4: Simplify right side
    8,064,312.60x = 89,761,361,194,400.22
  5. Step 5: Solve for x
    x = 89,761,361,194,400.22/8,064,312.60
  6. Step 6: Final answer
    x = 11,130,689.70

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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.