Home / 7,623,430.90-10,520,517.27-4,138,916.27

Finding the Fourth Proportional to 7,623,430.90, 10,520,517.27 and 4,138,916.27

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Solution

The fourth proportional to 7,623,430.90, 10,520,517.27 and 4,138,916.27 is: 5,711,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623,430.90 : 10,520,517.27 = 4,138,916.27 : x
  2. Step 2: Convert to fraction form
    7,623,430.90/10,520,517.27 = 4,138,916.27/x
  3. Step 3: Cross multiply
    7,623,430.90x = 10,520,517.27 × 4,138,916.27
  4. Step 4: Simplify right side
    7,623,430.90x = 43,543,540,097,618.98
  5. Step 5: Solve for x
    x = 43,543,540,097,618.98/7,623,430.90
  6. Step 6: Final answer
    x = 5,711,803.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.