Home / 6,387,519.36-8,792,403-5,570,281.20

Finding the Fourth Proportional to 6,387,519.36, 8,792,403 and 5,570,281.20

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Solution

The fourth proportional to 6,387,519.36, 8,792,403 and 5,570,281.20 is: 7,667,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,519.36 : 8,792,403 = 5,570,281.20 : x
  2. Step 2: Convert to fraction form
    6,387,519.36/8,792,403 = 5,570,281.20/x
  3. Step 3: Cross multiply
    6,387,519.36x = 8,792,403 × 5,570,281.20
  4. Step 4: Simplify right side
    6,387,519.36x = 48,976,157,133,723.60
  5. Step 5: Solve for x
    x = 48,976,157,133,723.60/6,387,519.36
  6. Step 6: Final answer
    x = 7,667,476.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.