Home / 12,685,061.28-17,504,971.92-7,103,312.40

Finding the Fourth Proportional to 12,685,061.28, 17,504,971.92 and 7,103,312.40

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Solution

The fourth proportional to 12,685,061.28, 17,504,971.92 and 7,103,312.40 is: 9,802,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,061.28 : 17,504,971.92 = 7,103,312.40 : x
  2. Step 2: Convert to fraction form
    12,685,061.28/17,504,971.92 = 7,103,312.40/x
  3. Step 3: Cross multiply
    12,685,061.28x = 17,504,971.92 × 7,103,312.40
  4. Step 4: Simplify right side
    12,685,061.28x = 124,343,284,100,987.83
  5. Step 5: Solve for x
    x = 124,343,284,100,987.83/12,685,061.28
  6. Step 6: Final answer
    x = 9,802,340.04

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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.