Home / 12,040,321.50-16,615,643.94-7,211,425.50

Finding the Fourth Proportional to 12,040,321.50, 16,615,643.94 and 7,211,425.50

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Solution

The fourth proportional to 12,040,321.50, 16,615,643.94 and 7,211,425.50 is: 9,951,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040,321.50 : 16,615,643.94 = 7,211,425.50 : x
  2. Step 2: Convert to fraction form
    12,040,321.50/16,615,643.94 = 7,211,425.50/x
  3. Step 3: Cross multiply
    12,040,321.50x = 16,615,643.94 × 7,211,425.50
  4. Step 4: Simplify right side
    12,040,321.50x = 119,822,478,407,836.47
  5. Step 5: Solve for x
    x = 119,822,478,407,836.47/12,040,321.50
  6. Step 6: Final answer
    x = 9,951,767.35

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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.