Home / 17,718,462.90-26,480,590.43-12,936,222.90

Finding the Fourth Proportional to 17,718,462.90, 26,480,590.43 and 12,936,222.90

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Solution

The fourth proportional to 17,718,462.90, 26,480,590.43 and 12,936,222.90 is: 19,333,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718,462.90 : 26,480,590.43 = 12,936,222.90 : x
  2. Step 2: Convert to fraction form
    17,718,462.90/26,480,590.43 = 12,936,222.90/x
  3. Step 3: Cross multiply
    17,718,462.90x = 26,480,590.43 × 12,936,222.90
  4. Step 4: Simplify right side
    17,718,462.90x = 342,558,820,261,405.75
  5. Step 5: Solve for x
    x = 342,558,820,261,405.75/17,718,462.90
  6. Step 6: Final answer
    x = 19,333,438.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.