Home / 11,122,801.20-16,665,539.40-5,430,769.20

Finding the Fourth Proportional to 11,122,801.20, 16,665,539.40 and 5,430,769.20

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Solution

The fourth proportional to 11,122,801.20, 16,665,539.40 and 5,430,769.20 is: 8,137,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122,801.20 : 16,665,539.40 = 5,430,769.20 : x
  2. Step 2: Convert to fraction form
    11,122,801.20/16,665,539.40 = 5,430,769.20/x
  3. Step 3: Cross multiply
    11,122,801.20x = 16,665,539.40 × 5,430,769.20
  4. Step 4: Simplify right side
    11,122,801.20x = 90,506,698,074,906.48
  5. Step 5: Solve for x
    x = 90,506,698,074,906.48/11,122,801.20
  6. Step 6: Final answer
    x = 8,137,041.78

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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.