Home / 7,485,280.80-11,227,921.20-4,084,058.40

Finding the Fourth Proportional to 7,485,280.80, 11,227,921.20 and 4,084,058.40

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Solution

The fourth proportional to 7,485,280.80, 11,227,921.20 and 4,084,058.40 is: 6,126,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,280.80 : 11,227,921.20 = 4,084,058.40 : x
  2. Step 2: Convert to fraction form
    7,485,280.80/11,227,921.20 = 4,084,058.40/x
  3. Step 3: Cross multiply
    7,485,280.80x = 11,227,921.20 × 4,084,058.40
  4. Step 4: Simplify right side
    7,485,280.80x = 45,855,485,891,398.08
  5. Step 5: Solve for x
    x = 45,855,485,891,398.08/7,485,280.80
  6. Step 6: Final answer
    x = 6,126,087.60

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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.