Home / 12,078,817.14-18,095,365.08-7,140,062.97

Finding the Fourth Proportional to 12,078,817.14, 18,095,365.08 and 7,140,062.97

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Solution

The fourth proportional to 12,078,817.14, 18,095,365.08 and 7,140,062.97 is: 10,696,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,817.14 : 18,095,365.08 = 7,140,062.97 : x
  2. Step 2: Convert to fraction form
    12,078,817.14/18,095,365.08 = 7,140,062.97/x
  3. Step 3: Cross multiply
    12,078,817.14x = 18,095,365.08 × 7,140,062.97
  4. Step 4: Simplify right side
    12,078,817.14x = 129,202,046,136,339.06
  5. Step 5: Solve for x
    x = 129,202,046,136,339.06/12,078,817.14
  6. Step 6: Final answer
    x = 10,696,581.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.