Home / 8,205,802.60-12,310,979.10-3,415,748.20

Finding the Fourth Proportional to 8,205,802.60, 12,310,979.10 and 3,415,748.20

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Solution

The fourth proportional to 8,205,802.60, 12,310,979.10 and 3,415,748.20 is: 5,124,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,802.60 : 12,310,979.10 = 3,415,748.20 : x
  2. Step 2: Convert to fraction form
    8,205,802.60/12,310,979.10 = 3,415,748.20/x
  3. Step 3: Cross multiply
    8,205,802.60x = 12,310,979.10 × 3,415,748.20
  4. Step 4: Simplify right side
    8,205,802.60x = 42,051,204,701,062.62
  5. Step 5: Solve for x
    x = 42,051,204,701,062.62/8,205,802.60
  6. Step 6: Final answer
    x = 5,124,569.37

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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.