Home / 22,178,779.20-33,232,399.20-12,565,569.60

Finding the Fourth Proportional to 22,178,779.20, 33,232,399.20 and 12,565,569.60

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Solution

The fourth proportional to 22,178,779.20, 33,232,399.20 and 12,565,569.60 is: 18,828,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178,779.20 : 33,232,399.20 = 12,565,569.60 : x
  2. Step 2: Convert to fraction form
    22,178,779.20/33,232,399.20 = 12,565,569.60/x
  3. Step 3: Cross multiply
    22,178,779.20x = 33,232,399.20 × 12,565,569.60
  4. Step 4: Simplify right side
    22,178,779.20x = 417,584,025,122,584.31
  5. Step 5: Solve for x
    x = 417,584,025,122,584.31/22,178,779.20
  6. Step 6: Final answer
    x = 18,828,088.84

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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.