Home / 6,430,921.60-9,629,793.60-5,103,817.60

Finding the Fourth Proportional to 6,430,921.60, 9,629,793.60 and 5,103,817.60

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Solution

The fourth proportional to 6,430,921.60, 9,629,793.60 and 5,103,817.60 is: 7,642,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,921.60 : 9,629,793.60 = 5,103,817.60 : x
  2. Step 2: Convert to fraction form
    6,430,921.60/9,629,793.60 = 5,103,817.60/x
  3. Step 3: Cross multiply
    6,430,921.60x = 9,629,793.60 × 5,103,817.60
  4. Step 4: Simplify right side
    6,430,921.60x = 49,148,710,060,047.35
  5. Step 5: Solve for x
    x = 49,148,710,060,047.35/6,430,921.60
  6. Step 6: Final answer
    x = 7,642,560.91

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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.