Home / 10,262,130.40-15,393,195.60-2,689,861.60

Finding the Fourth Proportional to 10,262,130.40, 15,393,195.60 and 2,689,861.60

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Solution

The fourth proportional to 10,262,130.40, 15,393,195.60 and 2,689,861.60 is: 4,034,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262,130.40 : 15,393,195.60 = 2,689,861.60 : x
  2. Step 2: Convert to fraction form
    10,262,130.40/15,393,195.60 = 2,689,861.60/x
  3. Step 3: Cross multiply
    10,262,130.40x = 15,393,195.60 × 2,689,861.60
  4. Step 4: Simplify right side
    10,262,130.40x = 41,405,565,745,728.96
  5. Step 5: Solve for x
    x = 41,405,565,745,728.96/10,262,130.40
  6. Step 6: Final answer
    x = 4,034,792.40

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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.