Home / 8,274,627.40-12,411,941.10-7,677,430.60

Finding the Fourth Proportional to 8,274,627.40, 12,411,941.10 and 7,677,430.60

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Solution

The fourth proportional to 8,274,627.40, 12,411,941.10 and 7,677,430.60 is: 11,516,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274,627.40 : 12,411,941.10 = 7,677,430.60 : x
  2. Step 2: Convert to fraction form
    8,274,627.40/12,411,941.10 = 7,677,430.60/x
  3. Step 3: Cross multiply
    8,274,627.40x = 12,411,941.10 × 7,677,430.60
  4. Step 4: Simplify right side
    8,274,627.40x = 95,291,816,406,537.66
  5. Step 5: Solve for x
    x = 95,291,816,406,537.66/8,274,627.40
  6. Step 6: Final answer
    x = 11,516,145.90

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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.