Home / 22,541,880-31,107,794.40-12,884,295.36

Finding the Fourth Proportional to 22,541,880, 31,107,794.40 and 12,884,295.36

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Solution

The fourth proportional to 22,541,880, 31,107,794.40 and 12,884,295.36 is: 17,780,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541,880 : 31,107,794.40 = 12,884,295.36 : x
  2. Step 2: Convert to fraction form
    22,541,880/31,107,794.40 = 12,884,295.36/x
  3. Step 3: Cross multiply
    22,541,880x = 31,107,794.40 × 12,884,295.36
  4. Step 4: Simplify right side
    22,541,880x = 400,802,011,047,753.94
  5. Step 5: Solve for x
    x = 400,802,011,047,753.94/22,541,880
  6. Step 6: Final answer
    x = 17,780,327.60

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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.