Home / 23,101,960.65-31,880,957.64-12,788,855.97

Finding the Fourth Proportional to 23,101,960.65, 31,880,957.64 and 12,788,855.97

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Solution

The fourth proportional to 23,101,960.65, 31,880,957.64 and 12,788,855.97 is: 17,648,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,960.65 : 31,880,957.64 = 12,788,855.97 : x
  2. Step 2: Convert to fraction form
    23,101,960.65/31,880,957.64 = 12,788,855.97/x
  3. Step 3: Cross multiply
    23,101,960.65x = 31,880,957.64 × 12,788,855.97
  4. Step 4: Simplify right side
    23,101,960.65x = 407,720,975,220,282.06
  5. Step 5: Solve for x
    x = 407,720,975,220,282.06/23,101,960.65
  6. Step 6: Final answer
    x = 17,648,760.70

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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.