Home / 8,072,908.35-12,109,362.80-3,280,971.62

Finding the Fourth Proportional to 8,072,908.35, 12,109,362.80 and 3,280,971.62

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Solution

The fourth proportional to 8,072,908.35, 12,109,362.80 and 3,280,971.62 is: 4,921,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,908.35 : 12,109,362.80 = 3,280,971.62 : x
  2. Step 2: Convert to fraction form
    8,072,908.35/12,109,362.80 = 3,280,971.62/x
  3. Step 3: Cross multiply
    8,072,908.35x = 12,109,362.80 × 3,280,971.62
  4. Step 4: Simplify right side
    8,072,908.35x = 39,730,475,606,132.06
  5. Step 5: Solve for x
    x = 39,730,475,606,132.06/8,072,908.35
  6. Step 6: Final answer
    x = 4,921,457.53

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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.