Home / 22,222,574.28-30,668,343.54-12,432,434.43

Finding the Fourth Proportional to 22,222,574.28, 30,668,343.54 and 12,432,434.43

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Solution

The fourth proportional to 22,222,574.28, 30,668,343.54 and 12,432,434.43 is: 17,157,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222,574.28 : 30,668,343.54 = 12,432,434.43 : x
  2. Step 2: Convert to fraction form
    22,222,574.28/30,668,343.54 = 12,432,434.43/x
  3. Step 3: Cross multiply
    22,222,574.28x = 30,668,343.54 × 12,432,434.43
  4. Step 4: Simplify right side
    22,222,574.28x = 381,282,170,137,764.06
  5. Step 5: Solve for x
    x = 381,282,170,137,764.06/22,222,574.28
  6. Step 6: Final answer
    x = 17,157,425.84

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Double scale
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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.