Home / 7,627,732.47-10,520,180.16-5,016,916.80

Finding the Fourth Proportional to 7,627,732.47, 10,520,180.16 and 5,016,916.80

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Solution

The fourth proportional to 7,627,732.47, 10,520,180.16 and 5,016,916.80 is: 6,919,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627,732.47 : 10,520,180.16 = 5,016,916.80 : x
  2. Step 2: Convert to fraction form
    7,627,732.47/10,520,180.16 = 5,016,916.80/x
  3. Step 3: Cross multiply
    7,627,732.47x = 10,520,180.16 × 5,016,916.80
  4. Step 4: Simplify right side
    7,627,732.47x = 52,778,868,583,730.69
  5. Step 5: Solve for x
    x = 52,778,868,583,730.69/7,627,732.47
  6. Step 6: Final answer
    x = 6,919,339.24

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1.5x scale

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.