Home / 12,861,804.70-17,748,638.67-7,635,036.28

Finding the Fourth Proportional to 12,861,804.70, 17,748,638.67 and 7,635,036.28

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Solution

The fourth proportional to 12,861,804.70, 17,748,638.67 and 7,635,036.28 is: 10,535,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,804.70 : 17,748,638.67 = 7,635,036.28 : x
  2. Step 2: Convert to fraction form
    12,861,804.70/17,748,638.67 = 7,635,036.28/x
  3. Step 3: Cross multiply
    12,861,804.70x = 17,748,638.67 × 7,635,036.28
  4. Step 4: Simplify right side
    12,861,804.70x = 135,511,500,166,060.97
  5. Step 5: Solve for x
    x = 135,511,500,166,060.97/12,861,804.70
  6. Step 6: Final answer
    x = 10,535,963.13

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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.