Home / 10,363,449.79-15,558,645.47-7,968,975.93

Finding the Fourth Proportional to 10,363,449.79, 15,558,645.47 and 7,968,975.93

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Solution

The fourth proportional to 10,363,449.79, 15,558,645.47 and 7,968,975.93 is: 11,963,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,449.79 : 15,558,645.47 = 7,968,975.93 : x
  2. Step 2: Convert to fraction form
    10,363,449.79/15,558,645.47 = 7,968,975.93/x
  3. Step 3: Cross multiply
    10,363,449.79x = 15,558,645.47 × 7,968,975.93
  4. Step 4: Simplify right side
    10,363,449.79x = 123,986,471,213,988.66
  5. Step 5: Solve for x
    x = 123,986,471,213,988.66/10,363,449.79
  6. Step 6: Final answer
    x = 11,963,822.25

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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.