Home / 15,919,017.82-21,968,319-9,043,877.14

Finding the Fourth Proportional to 15,919,017.82, 21,968,319 and 9,043,877.14

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Solution

The fourth proportional to 15,919,017.82, 21,968,319 and 9,043,877.14 is: 12,480,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,017.82 : 21,968,319 = 9,043,877.14 : x
  2. Step 2: Convert to fraction form
    15,919,017.82/21,968,319 = 9,043,877.14/x
  3. Step 3: Cross multiply
    15,919,017.82x = 21,968,319 × 9,043,877.14
  4. Step 4: Simplify right side
    15,919,017.82x = 198,678,778,008,327.69
  5. Step 5: Solve for x
    x = 198,678,778,008,327.69/15,919,017.82
  6. Step 6: Final answer
    x = 12,480,592.73

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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.