Home / 12,997,418.81-17,936,711.64-7,117,299.95

Finding the Fourth Proportional to 12,997,418.81, 17,936,711.64 and 7,117,299.95

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Solution

The fourth proportional to 12,997,418.81, 17,936,711.64 and 7,117,299.95 is: 9,822,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,418.81 : 17,936,711.64 = 7,117,299.95 : x
  2. Step 2: Convert to fraction form
    12,997,418.81/17,936,711.64 = 7,117,299.95/x
  3. Step 3: Cross multiply
    12,997,418.81x = 17,936,711.64 × 7,117,299.95
  4. Step 4: Simplify right side
    12,997,418.81x = 127,660,956,768,852.88
  5. Step 5: Solve for x
    x = 127,660,956,768,852.88/12,997,418.81
  6. Step 6: Final answer
    x = 9,822,023.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.