Home / 15,000,494.09-20,700,687.71-8,124,954.89

Finding the Fourth Proportional to 15,000,494.09, 20,700,687.71 and 8,124,954.89

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Solution

The fourth proportional to 15,000,494.09, 20,700,687.71 and 8,124,954.89 is: 11,212,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,494.09 : 20,700,687.71 = 8,124,954.89 : x
  2. Step 2: Convert to fraction form
    15,000,494.09/20,700,687.71 = 8,124,954.89/x
  3. Step 3: Cross multiply
    15,000,494.09x = 20,700,687.71 × 8,124,954.89
  4. Step 4: Simplify right side
    15,000,494.09x = 168,192,153,752,536.34
  5. Step 5: Solve for x
    x = 168,192,153,752,536.34/15,000,494.09
  6. Step 6: Final answer
    x = 11,212,440.92

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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.