Home / 6,750,310.80-10,109,719.80-6,615,008.40

Finding the Fourth Proportional to 6,750,310.80, 10,109,719.80 and 6,615,008.40

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Solution

The fourth proportional to 6,750,310.80, 10,109,719.80 and 6,615,008.40 is: 9,907,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750,310.80 : 10,109,719.80 = 6,615,008.40 : x
  2. Step 2: Convert to fraction form
    6,750,310.80/10,109,719.80 = 6,615,008.40/x
  3. Step 3: Cross multiply
    6,750,310.80x = 10,109,719.80 × 6,615,008.40
  4. Step 4: Simplify right side
    6,750,310.80x = 66,875,881,398,646.33
  5. Step 5: Solve for x
    x = 66,875,881,398,646.33/6,750,310.80
  6. Step 6: Final answer
    x = 9,907,081.82

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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.