Home / 22,164,340.90-30,597,157.25-12,870,100.57

Finding the Fourth Proportional to 22,164,340.90, 30,597,157.25 and 12,870,100.57

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Solution

The fourth proportional to 22,164,340.90, 30,597,157.25 and 12,870,100.57 is: 17,766,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164,340.90 : 30,597,157.25 = 12,870,100.57 : x
  2. Step 2: Convert to fraction form
    22,164,340.90/30,597,157.25 = 12,870,100.57/x
  3. Step 3: Cross multiply
    22,164,340.90x = 30,597,157.25 × 12,870,100.57
  4. Step 4: Simplify right side
    22,164,340.90x = 393,788,490,963,604.62
  5. Step 5: Solve for x
    x = 393,788,490,963,604.62/22,164,340.90
  6. Step 6: Final answer
    x = 17,766,758.45

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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.