Home / 10,368,010.80-15,552,016.20-7,813,335.60

Finding the Fourth Proportional to 10,368,010.80, 15,552,016.20 and 7,813,335.60

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Solution

The fourth proportional to 10,368,010.80, 15,552,016.20 and 7,813,335.60 is: 11,720,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,010.80 : 15,552,016.20 = 7,813,335.60 : x
  2. Step 2: Convert to fraction form
    10,368,010.80/15,552,016.20 = 7,813,335.60/x
  3. Step 3: Cross multiply
    10,368,010.80x = 15,552,016.20 × 7,813,335.60
  4. Step 4: Simplify right side
    10,368,010.80x = 121,513,121,827,236.70
  5. Step 5: Solve for x
    x = 121,513,121,827,236.70/10,368,010.80
  6. Step 6: Final answer
    x = 11,720,003.40

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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.