Home / 18,576,520-25,633,276.56-10,315,459.12

Finding the Fourth Proportional to 18,576,520, 25,633,276.56 and 10,315,459.12

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Solution

The fourth proportional to 18,576,520, 25,633,276.56 and 10,315,459.12 is: 14,234,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576,520 : 25,633,276.56 = 10,315,459.12 : x
  2. Step 2: Convert to fraction form
    18,576,520/25,633,276.56 = 10,315,459.12/x
  3. Step 3: Cross multiply
    18,576,520x = 25,633,276.56 × 10,315,459.12
  4. Step 4: Simplify right side
    18,576,520x = 264,419,016,466,334.19
  5. Step 5: Solve for x
    x = 264,419,016,466,334.19/18,576,520
  6. Step 6: Final answer
    x = 14,234,044.72

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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.