Home / 12,363,362.70-18,536,404.05-7,312,073.10

Finding the Fourth Proportional to 12,363,362.70, 18,536,404.05 and 7,312,073.10

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Solution

The fourth proportional to 12,363,362.70, 18,536,404.05 and 7,312,073.10 is: 10,962,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,362.70 : 18,536,404.05 = 7,312,073.10 : x
  2. Step 2: Convert to fraction form
    12,363,362.70/18,536,404.05 = 7,312,073.10/x
  3. Step 3: Cross multiply
    12,363,362.70x = 18,536,404.05 × 7,312,073.10
  4. Step 4: Simplify right side
    12,363,362.70x = 135,539,541,424,736.05
  5. Step 5: Solve for x
    x = 135,539,541,424,736.05/12,363,362.70
  6. Step 6: Final answer
    x = 10,962,999.69

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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.