Home / 11,478,338.98-15,840,824.16-6,321,699.16

Finding the Fourth Proportional to 11,478,338.98, 15,840,824.16 and 6,321,699.16

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Solution

The fourth proportional to 11,478,338.98, 15,840,824.16 and 6,321,699.16 is: 8,724,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,338.98 : 15,840,824.16 = 6,321,699.16 : x
  2. Step 2: Convert to fraction form
    11,478,338.98/15,840,824.16 = 6,321,699.16/x
  3. Step 3: Cross multiply
    11,478,338.98x = 15,840,824.16 × 6,321,699.16
  4. Step 4: Simplify right side
    11,478,338.98x = 100,140,924,785,979.70
  5. Step 5: Solve for x
    x = 100,140,924,785,979.70/11,478,338.98
  6. Step 6: Final answer
    x = 8,724,339.38

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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.