Home / 15,110,242.20-22,665,363.30-12,771,901.80

Finding the Fourth Proportional to 15,110,242.20, 22,665,363.30 and 12,771,901.80

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Solution

The fourth proportional to 15,110,242.20, 22,665,363.30 and 12,771,901.80 is: 19,157,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,242.20 : 22,665,363.30 = 12,771,901.80 : x
  2. Step 2: Convert to fraction form
    15,110,242.20/22,665,363.30 = 12,771,901.80/x
  3. Step 3: Cross multiply
    15,110,242.20x = 22,665,363.30 × 12,771,901.80
  4. Step 4: Simplify right side
    15,110,242.20x = 289,479,794,328,923.94
  5. Step 5: Solve for x
    x = 289,479,794,328,923.94/15,110,242.20
  6. Step 6: Final answer
    x = 19,157,852.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.