Home / 18,679,076.43-25,778,280.63-10,306,405.27

Finding the Fourth Proportional to 18,679,076.43, 25,778,280.63 and 10,306,405.27

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Solution

The fourth proportional to 18,679,076.43, 25,778,280.63 and 10,306,405.27 is: 14,223,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,076.43 : 25,778,280.63 = 10,306,405.27 : x
  2. Step 2: Convert to fraction form
    18,679,076.43/25,778,280.63 = 10,306,405.27/x
  3. Step 3: Cross multiply
    18,679,076.43x = 25,778,280.63 × 10,306,405.27
  4. Step 4: Simplify right side
    18,679,076.43x = 265,681,407,336,570.91
  5. Step 5: Solve for x
    x = 265,681,407,336,570.91/18,679,076.43
  6. Step 6: Final answer
    x = 14,223,476.64

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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.