Home / 15,293,955.03-21,106,106.48-8,325,087.12

Finding the Fourth Proportional to 15,293,955.03, 21,106,106.48 and 8,325,087.12

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Solution

The fourth proportional to 15,293,955.03, 21,106,106.48 and 8,325,087.12 is: 11,488,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293,955.03 : 21,106,106.48 = 8,325,087.12 : x
  2. Step 2: Convert to fraction form
    15,293,955.03/21,106,106.48 = 8,325,087.12/x
  3. Step 3: Cross multiply
    15,293,955.03x = 21,106,106.48 × 8,325,087.12
  4. Step 4: Simplify right side
    15,293,955.03x = 175,710,175,221,136.38
  5. Step 5: Solve for x
    x = 175,710,175,221,136.38/15,293,955.03
  6. Step 6: Final answer
    x = 11,488,864.38

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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.