Home / 12,655,092.86-18,989,549.82-5,367,419.03

Finding the Fourth Proportional to 12,655,092.86, 18,989,549.82 and 5,367,419.03

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Solution

The fourth proportional to 12,655,092.86, 18,989,549.82 and 5,367,419.03 is: 8,054,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,092.86 : 18,989,549.82 = 5,367,419.03 : x
  2. Step 2: Convert to fraction form
    12,655,092.86/18,989,549.82 = 5,367,419.03/x
  3. Step 3: Cross multiply
    12,655,092.86x = 18,989,549.82 × 5,367,419.03
  4. Step 4: Simplify right side
    12,655,092.86x = 101,924,870,980,053.33
  5. Step 5: Solve for x
    x = 101,924,870,980,053.33/12,655,092.86
  6. Step 6: Final answer
    x = 8,054,059.51

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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.