Home / 12,291,732.60-18,437,598.90-11,661,876.60

Finding the Fourth Proportional to 12,291,732.60, 18,437,598.90 and 11,661,876.60

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Solution

The fourth proportional to 12,291,732.60, 18,437,598.90 and 11,661,876.60 is: 17,492,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,732.60 : 18,437,598.90 = 11,661,876.60 : x
  2. Step 2: Convert to fraction form
    12,291,732.60/18,437,598.90 = 11,661,876.60/x
  3. Step 3: Cross multiply
    12,291,732.60x = 18,437,598.90 × 11,661,876.60
  4. Step 4: Simplify right side
    12,291,732.60x = 215,017,003,172,095.72
  5. Step 5: Solve for x
    x = 215,017,003,172,095.72/12,291,732.60
  6. Step 6: Final answer
    x = 17,492,814.90

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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.