Home / 18,517,538.79-25,554,407.94-10,257,727.62

Finding the Fourth Proportional to 18,517,538.79, 25,554,407.94 and 10,257,727.62

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Solution

The fourth proportional to 18,517,538.79, 25,554,407.94 and 10,257,727.62 is: 14,155,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,538.79 : 25,554,407.94 = 10,257,727.62 : x
  2. Step 2: Convert to fraction form
    18,517,538.79/25,554,407.94 = 10,257,727.62/x
  3. Step 3: Cross multiply
    18,517,538.79x = 25,554,407.94 × 10,257,727.62
  4. Step 4: Simplify right side
    18,517,538.79x = 262,130,156,138,885.28
  5. Step 5: Solve for x
    x = 262,130,156,138,885.28/18,517,538.79
  6. Step 6: Final answer
    x = 14,155,777.35

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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.