Home / 13,399,582.40-20,099,373.60-12,783,723.20

Finding the Fourth Proportional to 13,399,582.40, 20,099,373.60 and 12,783,723.20

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Solution

The fourth proportional to 13,399,582.40, 20,099,373.60 and 12,783,723.20 is: 19,175,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399,582.40 : 20,099,373.60 = 12,783,723.20 : x
  2. Step 2: Convert to fraction form
    13,399,582.40/20,099,373.60 = 12,783,723.20/x
  3. Step 3: Cross multiply
    13,399,582.40x = 20,099,373.60 × 12,783,723.20
  4. Step 4: Simplify right side
    13,399,582.40x = 256,944,828,595,787.53
  5. Step 5: Solve for x
    x = 256,944,828,595,787.53/13,399,582.40
  6. Step 6: Final answer
    x = 19,175,584.80

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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.