Home / 18,720,156.88-25,834,814.43-10,460,419.66

Finding the Fourth Proportional to 18,720,156.88, 25,834,814.43 and 10,460,419.66

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Solution

The fourth proportional to 18,720,156.88, 25,834,814.43 and 10,460,419.66 is: 14,435,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,156.88 : 25,834,814.43 = 10,460,419.66 : x
  2. Step 2: Convert to fraction form
    18,720,156.88/25,834,814.43 = 10,460,419.66/x
  3. Step 3: Cross multiply
    18,720,156.88x = 25,834,814.43 × 10,460,419.66
  4. Step 4: Simplify right side
    18,720,156.88x = 270,243,000,776,023.69
  5. Step 5: Solve for x
    x = 270,243,000,776,023.69/18,720,156.88
  6. Step 6: Final answer
    x = 14,435,936.76

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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.