Home / 15,729,173.76-21,706,933.23-8,759,851.26

Finding the Fourth Proportional to 15,729,173.76, 21,706,933.23 and 8,759,851.26

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Solution

The fourth proportional to 15,729,173.76, 21,706,933.23 and 8,759,851.26 is: 12,088,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729,173.76 : 21,706,933.23 = 8,759,851.26 : x
  2. Step 2: Convert to fraction form
    15,729,173.76/21,706,933.23 = 8,759,851.26/x
  3. Step 3: Cross multiply
    15,729,173.76x = 21,706,933.23 × 8,759,851.26
  4. Step 4: Simplify right side
    15,729,173.76x = 190,149,506,405,551.38
  5. Step 5: Solve for x
    x = 190,149,506,405,551.38/15,729,173.76
  6. Step 6: Final answer
    x = 12,088,969.79

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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.