Home / 22,931,882.97-31,645,042.80-12,477,940.35

Finding the Fourth Proportional to 22,931,882.97, 31,645,042.80 and 12,477,940.35

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Solution

The fourth proportional to 22,931,882.97, 31,645,042.80 and 12,477,940.35 is: 17,219,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931,882.97 : 31,645,042.80 = 12,477,940.35 : x
  2. Step 2: Convert to fraction form
    22,931,882.97/31,645,042.80 = 12,477,940.35/x
  3. Step 3: Cross multiply
    22,931,882.97x = 31,645,042.80 × 12,477,940.35
  4. Step 4: Simplify right side
    22,931,882.97x = 394,864,956,431,597
  5. Step 5: Solve for x
    x = 394,864,956,431,597/22,931,882.97
  6. Step 6: Final answer
    x = 17,219,037.66

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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.