Home / 7,139,188.80-9,843,756.48-5,325,203.52

Finding the Fourth Proportional to 7,139,188.80, 9,843,756.48 and 5,325,203.52

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Solution

The fourth proportional to 7,139,188.80, 9,843,756.48 and 5,325,203.52 is: 7,342,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,188.80 : 9,843,756.48 = 5,325,203.52 : x
  2. Step 2: Convert to fraction form
    7,139,188.80/9,843,756.48 = 5,325,203.52/x
  3. Step 3: Cross multiply
    7,139,188.80x = 9,843,756.48 × 5,325,203.52
  4. Step 4: Simplify right side
    7,139,188.80x = 52,420,006,657,318.80
  5. Step 5: Solve for x
    x = 52,420,006,657,318.80/7,139,188.80
  6. Step 6: Final answer
    x = 7,342,571.84

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1.5x scale

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.