Home / 10,260,621.60-15,380,780.40-4,859,779.20

Finding the Fourth Proportional to 10,260,621.60, 15,380,780.40 and 4,859,779.20

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Solution

The fourth proportional to 10,260,621.60, 15,380,780.40 and 4,859,779.20 is: 7,284,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260,621.60 : 15,380,780.40 = 4,859,779.20 : x
  2. Step 2: Convert to fraction form
    10,260,621.60/15,380,780.40 = 4,859,779.20/x
  3. Step 3: Cross multiply
    10,260,621.60x = 15,380,780.40 × 4,859,779.20
  4. Step 4: Simplify right side
    10,260,621.60x = 74,747,196,667,687.69
  5. Step 5: Solve for x
    x = 74,747,196,667,687.69/10,260,621.60
  6. Step 6: Final answer
    x = 7,284,860.47

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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.