Home / 16,120,401.80-22,246,156.06-8,778,232.86

Finding the Fourth Proportional to 16,120,401.80, 22,246,156.06 and 8,778,232.86

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Solution

The fourth proportional to 16,120,401.80, 22,246,156.06 and 8,778,232.86 is: 12,113,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120,401.80 : 22,246,156.06 = 8,778,232.86 : x
  2. Step 2: Convert to fraction form
    16,120,401.80/22,246,156.06 = 8,778,232.86/x
  3. Step 3: Cross multiply
    16,120,401.80x = 22,246,156.06 × 8,778,232.86
  4. Step 4: Simplify right side
    16,120,401.80x = 195,281,938,134,580.09
  5. Step 5: Solve for x
    x = 195,281,938,134,580.09/16,120,401.80
  6. Step 6: Final answer
    x = 12,113,962.20

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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.