Home / 22,648,101.64-31,257,193.94-12,861,689.42

Finding the Fourth Proportional to 22,648,101.64, 31,257,193.94 and 12,861,689.42

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Solution

The fourth proportional to 22,648,101.64, 31,257,193.94 and 12,861,689.42 is: 17,750,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648,101.64 : 31,257,193.94 = 12,861,689.42 : x
  2. Step 2: Convert to fraction form
    22,648,101.64/31,257,193.94 = 12,861,689.42/x
  3. Step 3: Cross multiply
    22,648,101.64x = 31,257,193.94 × 12,861,689.42
  4. Step 4: Simplify right side
    22,648,101.64x = 402,020,320,596,986.12
  5. Step 5: Solve for x
    x = 402,020,320,596,986.12/22,648,101.64
  6. Step 6: Final answer
    x = 17,750,729.27

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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.