Home / 28,040,230.80-42,060,346.20-11,001,459.60

Finding the Fourth Proportional to 28,040,230.80, 42,060,346.20 and 11,001,459.60

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Solution

The fourth proportional to 28,040,230.80, 42,060,346.20 and 11,001,459.60 is: 16,502,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,230.80 : 42,060,346.20 = 11,001,459.60 : x
  2. Step 2: Convert to fraction form
    28,040,230.80/42,060,346.20 = 11,001,459.60/x
  3. Step 3: Cross multiply
    28,040,230.80x = 42,060,346.20 × 11,001,459.60
  4. Step 4: Simplify right side
    28,040,230.80x = 462,725,199,481,313.56
  5. Step 5: Solve for x
    x = 462,725,199,481,313.56/28,040,230.80
  6. Step 6: Final answer
    x = 16,502,189.40

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1.5x scale

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.