Home / 18,517,541.20-25,554,411.24-10,257,730

Finding the Fourth Proportional to 18,517,541.20, 25,554,411.24 and 10,257,730

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Solution

The fourth proportional to 18,517,541.20, 25,554,411.24 and 10,257,730 is: 14,155,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,541.20 : 25,554,411.24 = 10,257,730 : x
  2. Step 2: Convert to fraction form
    18,517,541.20/25,554,411.24 = 10,257,730/x
  3. Step 3: Cross multiply
    18,517,541.20x = 25,554,411.24 × 10,257,730
  4. Step 4: Simplify right side
    18,517,541.20x = 262,130,250,808,885.19
  5. Step 5: Solve for x
    x = 262,130,250,808,885.19/18,517,541.20
  6. Step 6: Final answer
    x = 14,155,780.62

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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.