Home / 12,188,646.30-16,820,224.42-6,681,921.02

Finding the Fourth Proportional to 12,188,646.30, 16,820,224.42 and 6,681,921.02

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Solution

The fourth proportional to 12,188,646.30, 16,820,224.42 and 6,681,921.02 is: 9,220,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,646.30 : 16,820,224.42 = 6,681,921.02 : x
  2. Step 2: Convert to fraction form
    12,188,646.30/16,820,224.42 = 6,681,921.02/x
  3. Step 3: Cross multiply
    12,188,646.30x = 16,820,224.42 × 6,681,921.02
  4. Step 4: Simplify right side
    12,188,646.30x = 112,391,411,113,115.31
  5. Step 5: Solve for x
    x = 112,391,411,113,115.31/12,188,646.30
  6. Step 6: Final answer
    x = 9,220,992.09

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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.