Home / 18,678,444.90-25,775,143.70-10,837,349.93

Finding the Fourth Proportional to 18,678,444.90, 25,775,143.70 and 10,837,349.93

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Solution

The fourth proportional to 18,678,444.90, 25,775,143.70 and 10,837,349.93 is: 14,954,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,444.90 : 25,775,143.70 = 10,837,349.93 : x
  2. Step 2: Convert to fraction form
    18,678,444.90/25,775,143.70 = 10,837,349.93/x
  3. Step 3: Cross multiply
    18,678,444.90x = 25,775,143.70 × 10,837,349.93
  4. Step 4: Simplify right side
    18,678,444.90x = 279,334,251,589,872.50
  5. Step 5: Solve for x
    x = 279,334,251,589,872.50/18,678,444.90
  6. Step 6: Final answer
    x = 14,954,898.71

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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.