Home / 34,001,870.40-51,002,805.60-20,396,980.80

Finding the Fourth Proportional to 34,001,870.40, 51,002,805.60 and 20,396,980.80

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Solution

The fourth proportional to 34,001,870.40, 51,002,805.60 and 20,396,980.80 is: 30,595,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,001,870.40 : 51,002,805.60 = 20,396,980.80 : x
  2. Step 2: Convert to fraction form
    34,001,870.40/51,002,805.60 = 20,396,980.80/x
  3. Step 3: Cross multiply
    34,001,870.40x = 51,002,805.60 × 20,396,980.80
  4. Step 4: Simplify right side
    34,001,870.40x = 1,040,303,246,569,332.50
  5. Step 5: Solve for x
    x = 1,040,303,246,569,332.50/34,001,870.40
  6. Step 6: Final answer
    x = 30,595,471.20

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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.