Home / 12,405,500.48-17,117,080.80-7,247,865.92

Finding the Fourth Proportional to 12,405,500.48, 17,117,080.80 and 7,247,865.92

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Solution

The fourth proportional to 12,405,500.48, 17,117,080.80 and 7,247,865.92 is: 10,000,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,500.48 : 17,117,080.80 = 7,247,865.92 : x
  2. Step 2: Convert to fraction form
    12,405,500.48/17,117,080.80 = 7,247,865.92/x
  3. Step 3: Cross multiply
    12,405,500.48x = 17,117,080.80 × 7,247,865.92
  4. Step 4: Simplify right side
    12,405,500.48x = 124,062,306,580,206.34
  5. Step 5: Solve for x
    x = 124,062,306,580,206.34/12,405,500.48
  6. Step 6: Final answer
    x = 10,000,588.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.