Home / 15,759,975.09-21,747,828.33-9,144,051.02

Finding the Fourth Proportional to 15,759,975.09, 21,747,828.33 and 9,144,051.02

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Solution

The fourth proportional to 15,759,975.09, 21,747,828.33 and 9,144,051.02 is: 12,618,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759,975.09 : 21,747,828.33 = 9,144,051.02 : x
  2. Step 2: Convert to fraction form
    15,759,975.09/21,747,828.33 = 9,144,051.02/x
  3. Step 3: Cross multiply
    15,759,975.09x = 21,747,828.33 × 9,144,051.02
  4. Step 4: Simplify right side
    15,759,975.09x = 198,863,251,823,721.38
  5. Step 5: Solve for x
    x = 198,863,251,823,721.38/15,759,975.09
  6. Step 6: Final answer
    x = 12,618,246.58

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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.