Home / 43,180,225.56-64,760,784.16-12,468,138.40

Finding the Fourth Proportional to 43,180,225.56, 64,760,784.16 and 12,468,138.40

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Solution

The fourth proportional to 43,180,225.56, 64,760,784.16 and 12,468,138.40 is: 18,699,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180,225.56 : 64,760,784.16 = 12,468,138.40 : x
  2. Step 2: Convert to fraction form
    43,180,225.56/64,760,784.16 = 12,468,138.40/x
  3. Step 3: Cross multiply
    43,180,225.56x = 64,760,784.16 × 12,468,138.40
  4. Step 4: Simplify right side
    43,180,225.56x = 807,446,419,799,407.75
  5. Step 5: Solve for x
    x = 807,446,419,799,407.75/43,180,225.56
  6. Step 6: Final answer
    x = 18,699,448.86

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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.