Home / 35,642,387.64-49,178,064.88-20,172,471.96

Finding the Fourth Proportional to 35,642,387.64, 49,178,064.88 and 20,172,471.96

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Solution

The fourth proportional to 35,642,387.64, 49,178,064.88 and 20,172,471.96 is: 27,833,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642,387.64 : 49,178,064.88 = 20,172,471.96 : x
  2. Step 2: Convert to fraction form
    35,642,387.64/49,178,064.88 = 20,172,471.96/x
  3. Step 3: Cross multiply
    35,642,387.64x = 49,178,064.88 × 20,172,471.96
  4. Step 4: Simplify right side
    35,642,387.64x = 992,043,134,838,860.88
  5. Step 5: Solve for x
    x = 992,043,134,838,860.88/35,642,387.64
  6. Step 6: Final answer
    x = 27,833,240.15

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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.