Home / 13,818,603.12-20,730,561.46-5,298,275.08

Finding the Fourth Proportional to 13,818,603.12, 20,730,561.46 and 5,298,275.08

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Solution

The fourth proportional to 13,818,603.12, 20,730,561.46 and 5,298,275.08 is: 7,948,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,603.12 : 20,730,561.46 = 5,298,275.08 : x
  2. Step 2: Convert to fraction form
    13,818,603.12/20,730,561.46 = 5,298,275.08/x
  3. Step 3: Cross multiply
    13,818,603.12x = 20,730,561.46 × 5,298,275.08
  4. Step 4: Simplify right side
    13,818,603.12x = 109,836,217,177,926.42
  5. Step 5: Solve for x
    x = 109,836,217,177,926.42/13,818,603.12
  6. Step 6: Final answer
    x = 7,948,431.27

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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.