Home / 12,358,963.14-18,543,561.75-6,672,500.34

Finding the Fourth Proportional to 12,358,963.14, 18,543,561.75 and 6,672,500.34

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Solution

The fourth proportional to 12,358,963.14, 18,543,561.75 and 6,672,500.34 is: 10,011,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,963.14 : 18,543,561.75 = 6,672,500.34 : x
  2. Step 2: Convert to fraction form
    12,358,963.14/18,543,561.75 = 6,672,500.34/x
  3. Step 3: Cross multiply
    12,358,963.14x = 18,543,561.75 × 6,672,500.34
  4. Step 4: Simplify right side
    12,358,963.14x = 123,731,922,081,686
  5. Step 5: Solve for x
    x = 123,731,922,081,686/12,358,963.14
  6. Step 6: Final answer
    x = 10,011,513.16

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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.