Home / 18,517,543.67-25,554,414.67-10,257,732.50

Finding the Fourth Proportional to 18,517,543.67, 25,554,414.67 and 10,257,732.50

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Solution

The fourth proportional to 18,517,543.67, 25,554,414.67 and 10,257,732.50 is: 14,155,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,543.67 : 25,554,414.67 = 10,257,732.50 : x
  2. Step 2: Convert to fraction form
    18,517,543.67/25,554,414.67 = 10,257,732.50/x
  3. Step 3: Cross multiply
    18,517,543.67x = 25,554,414.67 × 10,257,732.50
  4. Step 4: Simplify right side
    18,517,543.67x = 262,130,349,725,519.34
  5. Step 5: Solve for x
    x = 262,130,349,725,519.34/18,517,543.67
  6. Step 6: Final answer
    x = 14,155,784.07

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1.5x scale

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.