Home / 20,212,875.30-30,320,625.15-10,646,937.30

Finding the Fourth Proportional to 20,212,875.30, 30,320,625.15 and 10,646,937.30

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Solution

The fourth proportional to 20,212,875.30, 30,320,625.15 and 10,646,937.30 is: 15,971,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,875.30 : 30,320,625.15 = 10,646,937.30 : x
  2. Step 2: Convert to fraction form
    20,212,875.30/30,320,625.15 = 10,646,937.30/x
  3. Step 3: Cross multiply
    20,212,875.30x = 30,320,625.15 × 10,646,937.30
  4. Step 4: Simplify right side
    20,212,875.30x = 322,821,794,868,853.12
  5. Step 5: Solve for x
    x = 322,821,794,868,853.12/20,212,875.30
  6. Step 6: Final answer
    x = 15,971,097.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.