Home / 13,818,603.12-20,730,561.48-5,298,275.10

Finding the Fourth Proportional to 13,818,603.12, 20,730,561.48 and 5,298,275.10

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Solution

The fourth proportional to 13,818,603.12, 20,730,561.48 and 5,298,275.10 is: 7,948,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,603.12 : 20,730,561.48 = 5,298,275.10 : x
  2. Step 2: Convert to fraction form
    13,818,603.12/20,730,561.48 = 5,298,275.10/x
  3. Step 3: Cross multiply
    13,818,603.12x = 20,730,561.48 × 5,298,275.10
  4. Step 4: Simplify right side
    13,818,603.12x = 109,836,217,698,503.14
  5. Step 5: Solve for x
    x = 109,836,217,698,503.14/13,818,603.12
  6. Step 6: Final answer
    x = 7,948,431.31

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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.