Home / 15,580,987.62-21,502,876.06-8,611,515.25

Finding the Fourth Proportional to 15,580,987.62, 21,502,876.06 and 8,611,515.25

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Solution

The fourth proportional to 15,580,987.62, 21,502,876.06 and 8,611,515.25 is: 11,884,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,987.62 : 21,502,876.06 = 8,611,515.25 : x
  2. Step 2: Convert to fraction form
    15,580,987.62/21,502,876.06 = 8,611,515.25/x
  3. Step 3: Cross multiply
    15,580,987.62x = 21,502,876.06 × 8,611,515.25
  4. Step 4: Simplify right side
    15,580,987.62x = 185,172,345,139,071.03
  5. Step 5: Solve for x
    x = 185,172,345,139,071.03/15,580,987.62
  6. Step 6: Final answer
    x = 11,884,506.27

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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.