Home / 12,224,814.12-18,312,024.06-7,160,771.88

Finding the Fourth Proportional to 12,224,814.12, 18,312,024.06 and 7,160,771.88

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Solution

The fourth proportional to 12,224,814.12, 18,312,024.06 and 7,160,771.88 is: 10,726,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,814.12 : 18,312,024.06 = 7,160,771.88 : x
  2. Step 2: Convert to fraction form
    12,224,814.12/18,312,024.06 = 7,160,771.88/x
  3. Step 3: Cross multiply
    12,224,814.12x = 18,312,024.06 × 7,160,771.88
  4. Step 4: Simplify right side
    12,224,814.12x = 131,128,226,954,731.42
  5. Step 5: Solve for x
    x = 131,128,226,954,731.42/12,224,814.12
  6. Step 6: Final answer
    x = 10,726,398.43

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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.