Home / 15,449,380.68-21,337,840.04-10,174,655

Finding the Fourth Proportional to 15,449,380.68, 21,337,840.04 and 10,174,655

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Solution

The fourth proportional to 15,449,380.68, 21,337,840.04 and 10,174,655 is: 14,052,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449,380.68 : 21,337,840.04 = 10,174,655 : x
  2. Step 2: Convert to fraction form
    15,449,380.68/21,337,840.04 = 10,174,655/x
  3. Step 3: Cross multiply
    15,449,380.68x = 21,337,840.04 × 10,174,655
  4. Step 4: Simplify right side
    15,449,380.68x = 217,105,160,852,186.19
  5. Step 5: Solve for x
    x = 217,105,160,852,186.19/15,449,380.68
  6. Step 6: Final answer
    x = 14,052,677.28

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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.