Home / 12,191,774.49-16,821,243.95-9,605,425.05

Finding the Fourth Proportional to 12,191,774.49, 16,821,243.95 and 9,605,425.05

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Solution

The fourth proportional to 12,191,774.49, 16,821,243.95 and 9,605,425.05 is: 13,252,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,774.49 : 16,821,243.95 = 9,605,425.05 : x
  2. Step 2: Convert to fraction form
    12,191,774.49/16,821,243.95 = 9,605,425.05/x
  3. Step 3: Cross multiply
    12,191,774.49x = 16,821,243.95 × 9,605,425.05
  4. Step 4: Simplify right side
    12,191,774.49x = 161,575,197,961,463.84
  5. Step 5: Solve for x
    x = 161,575,197,961,463.84/12,191,774.49
  6. Step 6: Final answer
    x = 13,252,804.02

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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.