Home / 12,213,120.48-16,853,448.40-6,780,262.56

Finding the Fourth Proportional to 12,213,120.48, 16,853,448.40 and 6,780,262.56

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Solution

The fourth proportional to 12,213,120.48, 16,853,448.40 and 6,780,262.56 is: 9,356,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213,120.48 : 16,853,448.40 = 6,780,262.56 : x
  2. Step 2: Convert to fraction form
    12,213,120.48/16,853,448.40 = 6,780,262.56/x
  3. Step 3: Cross multiply
    12,213,120.48x = 16,853,448.40 × 6,780,262.56
  4. Step 4: Simplify right side
    12,213,120.48x = 114,270,805,193,411.89
  5. Step 5: Solve for x
    x = 114,270,805,193,411.89/12,213,120.48
  6. Step 6: Final answer
    x = 9,356,397.11

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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.