Home / 12,154,718.56-16,772,231.60-7,259,261.28

Finding the Fourth Proportional to 12,154,718.56, 16,772,231.60 and 7,259,261.28

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Solution

The fourth proportional to 12,154,718.56, 16,772,231.60 and 7,259,261.28 is: 10,017,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,718.56 : 16,772,231.60 = 7,259,261.28 : x
  2. Step 2: Convert to fraction form
    12,154,718.56/16,772,231.60 = 7,259,261.28/x
  3. Step 3: Cross multiply
    12,154,718.56x = 16,772,231.60 × 7,259,261.28
  4. Step 4: Simplify right side
    12,154,718.56x = 121,754,011,433,072.45
  5. Step 5: Solve for x
    x = 121,754,011,433,072.45/12,154,718.56
  6. Step 6: Final answer
    x = 10,017,016.09

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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.