Home / 10,363,450.66-15,558,646.77-7,968,976.81

Finding the Fourth Proportional to 10,363,450.66, 15,558,646.77 and 7,968,976.81

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Solution

The fourth proportional to 10,363,450.66, 15,558,646.77 and 7,968,976.81 is: 11,963,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,450.66 : 15,558,646.77 = 7,968,976.81 : x
  2. Step 2: Convert to fraction form
    10,363,450.66/15,558,646.77 = 7,968,976.81/x
  3. Step 3: Cross multiply
    10,363,450.66x = 15,558,646.77 × 7,968,976.81
  4. Step 4: Simplify right side
    10,363,450.66x = 123,986,495,227,318.16
  5. Step 5: Solve for x
    x = 123,986,495,227,318.16/10,363,450.66
  6. Step 6: Final answer
    x = 11,963,823.57

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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.