Home / 13,871,636.76-19,142,414.46-7,759,934.04

Finding the Fourth Proportional to 13,871,636.76, 19,142,414.46 and 7,759,934.04

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Solution

The fourth proportional to 13,871,636.76, 19,142,414.46 and 7,759,934.04 is: 10,708,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871,636.76 : 19,142,414.46 = 7,759,934.04 : x
  2. Step 2: Convert to fraction form
    13,871,636.76/19,142,414.46 = 7,759,934.04/x
  3. Step 3: Cross multiply
    13,871,636.76x = 19,142,414.46 × 7,759,934.04
  4. Step 4: Simplify right side
    13,871,636.76x = 148,543,873,575,942.22
  5. Step 5: Solve for x
    x = 148,543,873,575,942.22/13,871,636.76
  6. Step 6: Final answer
    x = 10,708,460.45

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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.