Home / 18,144,460.80-27,216,691.20-10,491,710.40

Finding the Fourth Proportional to 18,144,460.80, 27,216,691.20 and 10,491,710.40

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Solution

The fourth proportional to 18,144,460.80, 27,216,691.20 and 10,491,710.40 is: 15,737,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,460.80 : 27,216,691.20 = 10,491,710.40 : x
  2. Step 2: Convert to fraction form
    18,144,460.80/27,216,691.20 = 10,491,710.40/x
  3. Step 3: Cross multiply
    18,144,460.80x = 27,216,691.20 × 10,491,710.40
  4. Step 4: Simplify right side
    18,144,460.80x = 285,549,642,116,628.50
  5. Step 5: Solve for x
    x = 285,549,642,116,628.50/18,144,460.80
  6. Step 6: Final answer
    x = 15,737,565.60

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1.5x scale

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.