Home / 7,837,821.47-10,815,596.47-4,399,398.20

Finding the Fourth Proportional to 7,837,821.47, 10,815,596.47 and 4,399,398.20

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Solution

The fourth proportional to 7,837,821.47, 10,815,596.47 and 4,399,398.20 is: 6,070,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837,821.47 : 10,815,596.47 = 4,399,398.20 : x
  2. Step 2: Convert to fraction form
    7,837,821.47/10,815,596.47 = 4,399,398.20/x
  3. Step 3: Cross multiply
    7,837,821.47x = 10,815,596.47 × 4,399,398.20
  4. Step 4: Simplify right side
    7,837,821.47x = 47,582,115,642,044.36
  5. Step 5: Solve for x
    x = 47,582,115,642,044.36/7,837,821.47
  6. Step 6: Final answer
    x = 6,070,834.33

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Double scale
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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.