Home / 43,127,946.40-64,691,919.60-11,215,242.40

Finding the Fourth Proportional to 43,127,946.40, 64,691,919.60 and 11,215,242.40

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Solution

The fourth proportional to 43,127,946.40, 64,691,919.60 and 11,215,242.40 is: 16,822,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127,946.40 : 64,691,919.60 = 11,215,242.40 : x
  2. Step 2: Convert to fraction form
    43,127,946.40/64,691,919.60 = 11,215,242.40/x
  3. Step 3: Cross multiply
    43,127,946.40x = 64,691,919.60 × 11,215,242.40
  4. Step 4: Simplify right side
    43,127,946.40x = 725,535,559,635,311.12
  5. Step 5: Solve for x
    x = 725,535,559,635,311.12/43,127,946.40
  6. Step 6: Final answer
    x = 16,822,863.60

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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.