Home / 15,894,872.64-21,936,792-8,926,695.36

Finding the Fourth Proportional to 15,894,872.64, 21,936,792 and 8,926,695.36

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Solution

The fourth proportional to 15,894,872.64, 21,936,792 and 8,926,695.36 is: 12,319,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894,872.64 : 21,936,792 = 8,926,695.36 : x
  2. Step 2: Convert to fraction form
    15,894,872.64/21,936,792 = 8,926,695.36/x
  3. Step 3: Cross multiply
    15,894,872.64x = 21,936,792 × 8,926,695.36
  4. Step 4: Simplify right side
    15,894,872.64x = 195,823,059,359,685.09
  5. Step 5: Solve for x
    x = 195,823,059,359,685.09/15,894,872.64
  6. Step 6: Final answer
    x = 12,319,888.54

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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.