Home / 10,368,016.80-15,552,025.20-5,319,837.60

Finding the Fourth Proportional to 10,368,016.80, 15,552,025.20 and 5,319,837.60

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Solution

The fourth proportional to 10,368,016.80, 15,552,025.20 and 5,319,837.60 is: 7,979,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,016.80 : 15,552,025.20 = 5,319,837.60 : x
  2. Step 2: Convert to fraction form
    10,368,016.80/15,552,025.20 = 5,319,837.60/x
  3. Step 3: Cross multiply
    10,368,016.80x = 15,552,025.20 × 5,319,837.60
  4. Step 4: Simplify right side
    10,368,016.80x = 82,734,248,415,107.52
  5. Step 5: Solve for x
    x = 82,734,248,415,107.52/10,368,016.80
  6. Step 6: Final answer
    x = 7,979,756.40

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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.