Home / 7,038,142.71-10,550,557.53-5,306,325.72

Finding the Fourth Proportional to 7,038,142.71, 10,550,557.53 and 5,306,325.72

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Solution

The fourth proportional to 7,038,142.71, 10,550,557.53 and 5,306,325.72 is: 7,954,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,142.71 : 10,550,557.53 = 5,306,325.72 : x
  2. Step 2: Convert to fraction form
    7,038,142.71/10,550,557.53 = 5,306,325.72/x
  3. Step 3: Cross multiply
    7,038,142.71x = 10,550,557.53 × 5,306,325.72
  4. Step 4: Simplify right side
    7,038,142.71x = 55,984,694,781,778.66
  5. Step 5: Solve for x
    x = 55,984,694,781,778.66/7,038,142.71
  6. Step 6: Final answer
    x = 7,954,469.96

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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.