Home / 10,902,002.60-16,334,633.10-8,618,774.60

Finding the Fourth Proportional to 10,902,002.60, 16,334,633.10 and 8,618,774.60

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Solution

The fourth proportional to 10,902,002.60, 16,334,633.10 and 8,618,774.60 is: 12,913,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,002.60 : 16,334,633.10 = 8,618,774.60 : x
  2. Step 2: Convert to fraction form
    10,902,002.60/16,334,633.10 = 8,618,774.60/x
  3. Step 3: Cross multiply
    10,902,002.60x = 16,334,633.10 × 8,618,774.60
  4. Step 4: Simplify right side
    10,902,002.60x = 140,784,520,862,599.25
  5. Step 5: Solve for x
    x = 140,784,520,862,599.25/10,902,002.60
  6. Step 6: Final answer
    x = 12,913,638.53

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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.