Home / 8,065,110.30-12,097,665.45-5,195,328.90

Finding the Fourth Proportional to 8,065,110.30, 12,097,665.45 and 5,195,328.90

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Solution

The fourth proportional to 8,065,110.30, 12,097,665.45 and 5,195,328.90 is: 7,792,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,110.30 : 12,097,665.45 = 5,195,328.90 : x
  2. Step 2: Convert to fraction form
    8,065,110.30/12,097,665.45 = 5,195,328.90/x
  3. Step 3: Cross multiply
    8,065,110.30x = 12,097,665.45 × 5,195,328.90
  4. Step 4: Simplify right side
    8,065,110.30x = 62,851,350,934,916.51
  5. Step 5: Solve for x
    x = 62,851,350,934,916.51/8,065,110.30
  6. Step 6: Final answer
    x = 7,792,993.35

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Similar ratio
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1.5x scale

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.