Home / 20,307,778.06-28,024,570.40-11,015,325.04

Finding the Fourth Proportional to 20,307,778.06, 28,024,570.40 and 11,015,325.04

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Solution

The fourth proportional to 20,307,778.06, 28,024,570.40 and 11,015,325.04 is: 15,201,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307,778.06 : 28,024,570.40 = 11,015,325.04 : x
  2. Step 2: Convert to fraction form
    20,307,778.06/28,024,570.40 = 11,015,325.04/x
  3. Step 3: Cross multiply
    20,307,778.06x = 28,024,570.40 × 11,015,325.04
  4. Step 4: Simplify right side
    20,307,778.06x = 308,699,752,062,362.75
  5. Step 5: Solve for x
    x = 308,699,752,062,362.75/20,307,778.06
  6. Step 6: Final answer
    x = 15,201,059.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.