Home / 22,178,778.20-33,232,397.70-12,565,568.60

Finding the Fourth Proportional to 22,178,778.20, 33,232,397.70 and 12,565,568.60

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Solution

The fourth proportional to 22,178,778.20, 33,232,397.70 and 12,565,568.60 is: 18,828,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178,778.20 : 33,232,397.70 = 12,565,568.60 : x
  2. Step 2: Convert to fraction form
    22,178,778.20/33,232,397.70 = 12,565,568.60/x
  3. Step 3: Cross multiply
    22,178,778.20x = 33,232,397.70 × 12,565,568.60
  4. Step 4: Simplify right side
    22,178,778.20x = 417,583,973,041,832.19
  5. Step 5: Solve for x
    x = 417,583,973,041,832.19/22,178,778.20
  6. Step 6: Final answer
    x = 18,828,087.34

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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.