Home / 31,053,197.61-42,853,588.38-18,008,201.88

Finding the Fourth Proportional to 31,053,197.61, 42,853,588.38 and 18,008,201.88

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Solution

The fourth proportional to 31,053,197.61, 42,853,588.38 and 18,008,201.88 is: 24,851,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,197.61 : 42,853,588.38 = 18,008,201.88 : x
  2. Step 2: Convert to fraction form
    31,053,197.61/42,853,588.38 = 18,008,201.88/x
  3. Step 3: Cross multiply
    31,053,197.61x = 42,853,588.38 × 18,008,201.88
  4. Step 4: Simplify right side
    31,053,197.61x = 771,716,070,829,462.12
  5. Step 5: Solve for x
    x = 771,716,070,829,462.12/31,053,197.61
  6. Step 6: Final answer
    x = 24,851,420.47

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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.