Home / 21,842,081.02-30,142,711.39-11,919,603.08

Finding the Fourth Proportional to 21,842,081.02, 30,142,711.39 and 11,919,603.08

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Solution

The fourth proportional to 21,842,081.02, 30,142,711.39 and 11,919,603.08 is: 16,449,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,081.02 : 30,142,711.39 = 11,919,603.08 : x
  2. Step 2: Convert to fraction form
    21,842,081.02/30,142,711.39 = 11,919,603.08/x
  3. Step 3: Cross multiply
    21,842,081.02x = 30,142,711.39 × 11,919,603.08
  4. Step 4: Simplify right side
    21,842,081.02x = 359,289,155,422,161.25
  5. Step 5: Solve for x
    x = 359,289,155,422,161.25/21,842,081.02
  6. Step 6: Final answer
    x = 16,449,401.28

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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.