Home / 12,664,022.80-18,997,877.40-4,142,294.80

Finding the Fourth Proportional to 12,664,022.80, 18,997,877.40 and 4,142,294.80

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Solution

The fourth proportional to 12,664,022.80, 18,997,877.40 and 4,142,294.80 is: 6,214,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664,022.80 : 18,997,877.40 = 4,142,294.80 : x
  2. Step 2: Convert to fraction form
    12,664,022.80/18,997,877.40 = 4,142,294.80/x
  3. Step 3: Cross multiply
    12,664,022.80x = 18,997,877.40 × 4,142,294.80
  4. Step 4: Simplify right side
    12,664,022.80x = 78,694,808,765,057.52
  5. Step 5: Solve for x
    x = 78,694,808,765,057.52/12,664,022.80
  6. Step 6: Final answer
    x = 6,214,045.10

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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.