Home / 18,424,754.43-25,426,019.13-10,165,164.85

Finding the Fourth Proportional to 18,424,754.43, 25,426,019.13 and 10,165,164.85

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Solution

The fourth proportional to 18,424,754.43, 25,426,019.13 and 10,165,164.85 is: 14,027,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,754.43 : 25,426,019.13 = 10,165,164.85 : x
  2. Step 2: Convert to fraction form
    18,424,754.43/25,426,019.13 = 10,165,164.85/x
  3. Step 3: Cross multiply
    18,424,754.43x = 25,426,019.13 × 10,165,164.85
  4. Step 4: Simplify right side
    18,424,754.43x = 258,459,675,935,703.56
  5. Step 5: Solve for x
    x = 258,459,675,935,703.56/18,424,754.43
  6. Step 6: Final answer
    x = 14,027,849.16

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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.