Home / 13,818,654.36-20,730,638.38-5,298,326.36

Finding the Fourth Proportional to 13,818,654.36, 20,730,638.38 and 5,298,326.36

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Solution

The fourth proportional to 13,818,654.36, 20,730,638.38 and 5,298,326.36 is: 7,948,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,654.36 : 20,730,638.38 = 5,298,326.36 : x
  2. Step 2: Convert to fraction form
    13,818,654.36/20,730,638.38 = 5,298,326.36/x
  3. Step 3: Cross multiply
    13,818,654.36x = 20,730,638.38 × 5,298,326.36
  4. Step 4: Simplify right side
    13,818,654.36x = 109,837,687,788,381.70
  5. Step 5: Solve for x
    x = 109,837,687,788,381.70/13,818,654.36
  6. Step 6: Final answer
    x = 7,948,508.22

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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.