Home / 8,207,307.90-12,292,299.45-5,183,999.10

Finding the Fourth Proportional to 8,207,307.90, 12,292,299.45 and 5,183,999.10

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Solution

The fourth proportional to 8,207,307.90, 12,292,299.45 and 5,183,999.10 is: 7,764,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207,307.90 : 12,292,299.45 = 5,183,999.10 : x
  2. Step 2: Convert to fraction form
    8,207,307.90/12,292,299.45 = 5,183,999.10/x
  3. Step 3: Cross multiply
    8,207,307.90x = 12,292,299.45 × 5,183,999.10
  4. Step 4: Simplify right side
    8,207,307.90x = 63,723,269,285,730.48
  5. Step 5: Solve for x
    x = 63,723,269,285,730.48/8,207,307.90
  6. Step 6: Final answer
    x = 7,764,210.88

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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.