Home / 6,867,999.80-10,301,999.70-5,278,585.40

Finding the Fourth Proportional to 6,867,999.80, 10,301,999.70 and 5,278,585.40

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Solution

The fourth proportional to 6,867,999.80, 10,301,999.70 and 5,278,585.40 is: 7,917,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867,999.80 : 10,301,999.70 = 5,278,585.40 : x
  2. Step 2: Convert to fraction form
    6,867,999.80/10,301,999.70 = 5,278,585.40/x
  3. Step 3: Cross multiply
    6,867,999.80x = 10,301,999.70 × 5,278,585.40
  4. Step 4: Simplify right side
    6,867,999.80x = 54,379,985,207,224.38
  5. Step 5: Solve for x
    x = 54,379,985,207,224.38/6,867,999.80
  6. Step 6: Final answer
    x = 7,917,878.10

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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.