Home / 14,123,780.36-21,158,930.82-8,349,225.56

Finding the Fourth Proportional to 14,123,780.36, 21,158,930.82 and 8,349,225.56

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Solution

The fourth proportional to 14,123,780.36, 21,158,930.82 and 8,349,225.56 is: 12,508,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,780.36 : 21,158,930.82 = 8,349,225.56 : x
  2. Step 2: Convert to fraction form
    14,123,780.36/21,158,930.82 = 8,349,225.56/x
  3. Step 3: Cross multiply
    14,123,780.36x = 21,158,930.82 × 8,349,225.56
  4. Step 4: Simplify right side
    14,123,780.36x = 176,660,686,024,615.75
  5. Step 5: Solve for x
    x = 176,660,686,024,615.75/14,123,780.36
  6. Step 6: Final answer
    x = 12,508,031.24

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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.