Home / 13,818,605.64-20,730,565.23-5,298,277.56

Finding the Fourth Proportional to 13,818,605.64, 20,730,565.23 and 5,298,277.56

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Solution

The fourth proportional to 13,818,605.64, 20,730,565.23 and 5,298,277.56 is: 7,948,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,605.64 : 20,730,565.23 = 5,298,277.56 : x
  2. Step 2: Convert to fraction form
    13,818,605.64/20,730,565.23 = 5,298,277.56/x
  3. Step 3: Cross multiply
    13,818,605.64x = 20,730,565.23 × 5,298,277.56
  4. Step 4: Simplify right side
    13,818,605.64x = 109,836,288,564,225.23
  5. Step 5: Solve for x
    x = 109,836,288,564,225.23/13,818,605.64
  6. Step 6: Final answer
    x = 7,948,434.99

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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.