Home / 12,178,259.12-16,805,996.19-7,283,480.43

Finding the Fourth Proportional to 12,178,259.12, 16,805,996.19 and 7,283,480.43

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Solution

The fourth proportional to 12,178,259.12, 16,805,996.19 and 7,283,480.43 is: 10,051,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,259.12 : 16,805,996.19 = 7,283,480.43 : x
  2. Step 2: Convert to fraction form
    12,178,259.12/16,805,996.19 = 7,283,480.43/x
  3. Step 3: Cross multiply
    12,178,259.12x = 16,805,996.19 × 7,283,480.43
  4. Step 4: Simplify right side
    12,178,259.12x = 122,406,144,365,580.86
  5. Step 5: Solve for x
    x = 122,406,144,365,580.86/12,178,259.12
  6. Step 6: Final answer
    x = 10,051,202.16

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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.