Home / 11,657,071.20-17,485,606.80-7,405,543.20

Finding the Fourth Proportional to 11,657,071.20, 17,485,606.80 and 7,405,543.20

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Solution

The fourth proportional to 11,657,071.20, 17,485,606.80 and 7,405,543.20 is: 11,108,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,071.20 : 17,485,606.80 = 7,405,543.20 : x
  2. Step 2: Convert to fraction form
    11,657,071.20/17,485,606.80 = 7,405,543.20/x
  3. Step 3: Cross multiply
    11,657,071.20x = 17,485,606.80 × 7,405,543.20
  4. Step 4: Simplify right side
    11,657,071.20x = 129,490,416,535,613.77
  5. Step 5: Solve for x
    x = 129,490,416,535,613.77/11,657,071.20
  6. Step 6: Final answer
    x = 11,108,314.80

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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.