Home / 23,101,960.40-31,880,957.29-12,788,855.72

Finding the Fourth Proportional to 23,101,960.40, 31,880,957.29 and 12,788,855.72

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Solution

The fourth proportional to 23,101,960.40, 31,880,957.29 and 12,788,855.72 is: 17,648,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,960.40 : 31,880,957.29 = 12,788,855.72 : x
  2. Step 2: Convert to fraction form
    23,101,960.40/31,880,957.29 = 12,788,855.72/x
  3. Step 3: Cross multiply
    23,101,960.40x = 31,880,957.29 × 12,788,855.72
  4. Step 4: Simplify right side
    23,101,960.40x = 407,720,962,805,915.31
  5. Step 5: Solve for x
    x = 407,720,962,805,915.31/23,101,960.40
  6. Step 6: Final answer
    x = 17,648,760.36

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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.