Home / 13,095,643.60-18,071,059.26-7,215,020.92

Finding the Fourth Proportional to 13,095,643.60, 18,071,059.26 and 7,215,020.92

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Solution

The fourth proportional to 13,095,643.60, 18,071,059.26 and 7,215,020.92 is: 9,956,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095,643.60 : 18,071,059.26 = 7,215,020.92 : x
  2. Step 2: Convert to fraction form
    13,095,643.60/18,071,059.26 = 7,215,020.92/x
  3. Step 3: Cross multiply
    13,095,643.60x = 18,071,059.26 × 7,215,020.92
  4. Step 4: Simplify right side
    13,095,643.60x = 130,383,070,607,459.73
  5. Step 5: Solve for x
    x = 130,383,070,607,459.73/13,095,643.60
  6. Step 6: Final answer
    x = 9,956,217.09

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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.