Home / 22,778,048.18-31,433,708.13-12,464,771.78

Finding the Fourth Proportional to 22,778,048.18, 31,433,708.13 and 12,464,771.78

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Solution

The fourth proportional to 22,778,048.18, 31,433,708.13 and 12,464,771.78 is: 17,201,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778,048.18 : 31,433,708.13 = 12,464,771.78 : x
  2. Step 2: Convert to fraction form
    22,778,048.18/31,433,708.13 = 12,464,771.78/x
  3. Step 3: Cross multiply
    22,778,048.18x = 31,433,708.13 × 12,464,771.78
  4. Step 4: Simplify right side
    22,778,048.18x = 391,813,998,039,580.56
  5. Step 5: Solve for x
    x = 391,813,998,039,580.56/22,778,048.18
  6. Step 6: Final answer
    x = 17,201,385.95

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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.