Home / 12,747,011.92-17,590,326.59-7,240,369.75

Finding the Fourth Proportional to 12,747,011.92, 17,590,326.59 and 7,240,369.75

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Solution

The fourth proportional to 12,747,011.92, 17,590,326.59 and 7,240,369.75 is: 9,991,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,011.92 : 17,590,326.59 = 7,240,369.75 : x
  2. Step 2: Convert to fraction form
    12,747,011.92/17,590,326.59 = 7,240,369.75/x
  3. Step 3: Cross multiply
    12,747,011.92x = 17,590,326.59 × 7,240,369.75
  4. Step 4: Simplify right side
    12,747,011.92x = 127,360,468,508,981.77
  5. Step 5: Solve for x
    x = 127,360,468,508,981.77/12,747,011.92
  6. Step 6: Final answer
    x = 9,991,397.93

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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.