Home / 8,207,307.40-12,292,298.70-5,183,998.60

Finding the Fourth Proportional to 8,207,307.40, 12,292,298.70 and 5,183,998.60

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Solution

The fourth proportional to 8,207,307.40, 12,292,298.70 and 5,183,998.60 is: 7,764,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207,307.40 : 12,292,298.70 = 5,183,998.60 : x
  2. Step 2: Convert to fraction form
    8,207,307.40/12,292,298.70 = 5,183,998.60/x
  3. Step 3: Cross multiply
    8,207,307.40x = 12,292,298.70 × 5,183,998.60
  4. Step 4: Simplify right side
    8,207,307.40x = 63,723,259,251,581.81
  5. Step 5: Solve for x
    x = 63,723,259,251,581.81/8,207,307.40
  6. Step 6: Final answer
    x = 7,764,210.13

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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.