Home / 12,366,936.60-18,541,547.55-5,174,768.40

Finding the Fourth Proportional to 12,366,936.60, 18,541,547.55 and 5,174,768.40

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Solution

The fourth proportional to 12,366,936.60, 18,541,547.55 and 5,174,768.40 is: 7,758,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,936.60 : 18,541,547.55 = 5,174,768.40 : x
  2. Step 2: Convert to fraction form
    12,366,936.60/18,541,547.55 = 5,174,768.40/x
  3. Step 3: Cross multiply
    12,366,936.60x = 18,541,547.55 × 5,174,768.40
  4. Step 4: Simplify right side
    12,366,936.60x = 95,948,214,348,837.44
  5. Step 5: Solve for x
    x = 95,948,214,348,837.44/12,366,936.60
  6. Step 6: Final answer
    x = 7,758,446.37

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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.