Home / 13,375,870.60-18,460,277.22-7,943,362.60

Finding the Fourth Proportional to 13,375,870.60, 18,460,277.22 and 7,943,362.60

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Solution

The fourth proportional to 13,375,870.60, 18,460,277.22 and 7,943,362.60 is: 10,962,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,870.60 : 18,460,277.22 = 7,943,362.60 : x
  2. Step 2: Convert to fraction form
    13,375,870.60/18,460,277.22 = 7,943,362.60/x
  3. Step 3: Cross multiply
    13,375,870.60x = 18,460,277.22 × 7,943,362.60
  4. Step 4: Simplify right side
    13,375,870.60x = 146,636,675,654,979.97
  5. Step 5: Solve for x
    x = 146,636,675,654,979.97/13,375,870.60
  6. Step 6: Final answer
    x = 10,962,776.18

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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.