Home / 8,352,066.60-12,528,099.90-7,920,757.80

Finding the Fourth Proportional to 8,352,066.60, 12,528,099.90 and 7,920,757.80

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Solution

The fourth proportional to 8,352,066.60, 12,528,099.90 and 7,920,757.80 is: 11,881,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,066.60 : 12,528,099.90 = 7,920,757.80 : x
  2. Step 2: Convert to fraction form
    8,352,066.60/12,528,099.90 = 7,920,757.80/x
  3. Step 3: Cross multiply
    8,352,066.60x = 12,528,099.90 × 7,920,757.80
  4. Step 4: Simplify right side
    8,352,066.60x = 99,232,045,002,104.22
  5. Step 5: Solve for x
    x = 99,232,045,002,104.22/8,352,066.60
  6. Step 6: Final answer
    x = 11,881,136.70

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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.