Home / 10,042,598.60-15,051,289.96-5,431,401.02

Finding the Fourth Proportional to 10,042,598.60, 15,051,289.96 and 5,431,401.02

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Solution

The fourth proportional to 10,042,598.60, 15,051,289.96 and 5,431,401.02 is: 8,140,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042,598.60 : 15,051,289.96 = 5,431,401.02 : x
  2. Step 2: Convert to fraction form
    10,042,598.60/15,051,289.96 = 5,431,401.02/x
  3. Step 3: Cross multiply
    10,042,598.60x = 15,051,289.96 × 5,431,401.02
  4. Step 4: Simplify right side
    10,042,598.60x = 81,749,591,641,059.75
  5. Step 5: Solve for x
    x = 81,749,591,641,059.75/10,042,598.60
  6. Step 6: Final answer
    x = 8,140,282.70

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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.