Home / 13,095,642.60-18,071,057.88-7,215,019.92

Finding the Fourth Proportional to 13,095,642.60, 18,071,057.88 and 7,215,019.92

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Solution

The fourth proportional to 13,095,642.60, 18,071,057.88 and 7,215,019.92 is: 9,956,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095,642.60 : 18,071,057.88 = 7,215,019.92 : x
  2. Step 2: Convert to fraction form
    13,095,642.60/18,071,057.88 = 7,215,019.92/x
  3. Step 3: Cross multiply
    13,095,642.60x = 18,071,057.88 × 7,215,019.92
  4. Step 4: Simplify right side
    13,095,642.60x = 130,383,042,579,672.95
  5. Step 5: Solve for x
    x = 130,383,042,579,672.95/13,095,642.60
  6. Step 6: Final answer
    x = 9,956,215.71

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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.