Home / 16,420,325.61-22,660,522.44-9,078,632.76

Finding the Fourth Proportional to 16,420,325.61, 22,660,522.44 and 9,078,632.76

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Solution

The fourth proportional to 16,420,325.61, 22,660,522.44 and 9,078,632.76 is: 12,528,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420,325.61 : 22,660,522.44 = 9,078,632.76 : x
  2. Step 2: Convert to fraction form
    16,420,325.61/22,660,522.44 = 9,078,632.76/x
  3. Step 3: Cross multiply
    16,420,325.61x = 22,660,522.44 × 9,078,632.76
  4. Step 4: Simplify right side
    16,420,325.61x = 205,726,561,382,499.16
  5. Step 5: Solve for x
    x = 205,726,561,382,499.16/16,420,325.61
  6. Step 6: Final answer
    x = 12,528,774.78

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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.