Home / 18,920,178.24-26,109,842.40-10,218,350.72

Finding the Fourth Proportional to 18,920,178.24, 26,109,842.40 and 10,218,350.72

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Solution

The fourth proportional to 18,920,178.24, 26,109,842.40 and 10,218,350.72 is: 14,101,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920,178.24 : 26,109,842.40 = 10,218,350.72 : x
  2. Step 2: Convert to fraction form
    18,920,178.24/26,109,842.40 = 10,218,350.72/x
  3. Step 3: Cross multiply
    18,920,178.24x = 26,109,842.40 × 10,218,350.72
  4. Step 4: Simplify right side
    18,920,178.24x = 266,799,526,887,126.53
  5. Step 5: Solve for x
    x = 266,799,526,887,126.53/18,920,178.24
  6. Step 6: Final answer
    x = 14,101,322.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.