Home / 12,204,180.95-16,840,656.61-7,241,767.23

Finding the Fourth Proportional to 12,204,180.95, 16,840,656.61 and 7,241,767.23

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Solution

The fourth proportional to 12,204,180.95, 16,840,656.61 and 7,241,767.23 is: 9,992,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204,180.95 : 16,840,656.61 = 7,241,767.23 : x
  2. Step 2: Convert to fraction form
    12,204,180.95/16,840,656.61 = 7,241,767.23/x
  3. Step 3: Cross multiply
    12,204,180.95x = 16,840,656.61 × 7,241,767.23
  4. Step 4: Simplify right side
    12,204,180.95x = 121,956,115,169,980.89
  5. Step 5: Solve for x
    x = 121,956,115,169,980.89/12,204,180.95
  6. Step 6: Final answer
    x = 9,992,978.28

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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.