Home / 19,928,749.60-29,891,569.20-7,795,856.80

Finding the Fourth Proportional to 19,928,749.60, 29,891,569.20 and 7,795,856.80

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Solution

The fourth proportional to 19,928,749.60, 29,891,569.20 and 7,795,856.80 is: 11,693,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,749.60 : 29,891,569.20 = 7,795,856.80 : x
  2. Step 2: Convert to fraction form
    19,928,749.60/29,891,569.20 = 7,795,856.80/x
  3. Step 3: Cross multiply
    19,928,749.60x = 29,891,569.20 × 7,795,856.80
  4. Step 4: Simplify right side
    19,928,749.60x = 233,030,393,010,490.56
  5. Step 5: Solve for x
    x = 233,030,393,010,490.56/19,928,749.60
  6. Step 6: Final answer
    x = 11,693,176.83

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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.