Home / 18,144,633.60-27,216,950.40-10,165,420.80

Finding the Fourth Proportional to 18,144,633.60, 27,216,950.40 and 10,165,420.80

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Solution

The fourth proportional to 18,144,633.60, 27,216,950.40 and 10,165,420.80 is: 15,248,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,633.60 : 27,216,950.40 = 10,165,420.80 : x
  2. Step 2: Convert to fraction form
    18,144,633.60/27,216,950.40 = 10,165,420.80/x
  3. Step 3: Cross multiply
    18,144,633.60x = 27,216,950.40 × 10,165,420.80
  4. Step 4: Simplify right side
    18,144,633.60x = 276,671,753,708,728.31
  5. Step 5: Solve for x
    x = 276,671,753,708,728.31/18,144,633.60
  6. Step 6: Final answer
    x = 15,248,131.20

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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.