Home / 13,904,376.64-20,862,326.40-7,507,108.96

Finding the Fourth Proportional to 13,904,376.64, 20,862,326.40 and 7,507,108.96

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Solution

The fourth proportional to 13,904,376.64, 20,862,326.40 and 7,507,108.96 is: 11,263,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,376.64 : 20,862,326.40 = 7,507,108.96 : x
  2. Step 2: Convert to fraction form
    13,904,376.64/20,862,326.40 = 7,507,108.96/x
  3. Step 3: Cross multiply
    13,904,376.64x = 20,862,326.40 × 7,507,108.96
  4. Step 4: Simplify right side
    13,904,376.64x = 156,615,757,443,884.53
  5. Step 5: Solve for x
    x = 156,615,757,443,884.53/13,904,376.64
  6. Step 6: Final answer
    x = 11,263,774.10

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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.