Home / 12,678,661.74-17,483,320.31-7,521,026.84

Finding the Fourth Proportional to 12,678,661.74, 17,483,320.31 and 7,521,026.84

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Solution

The fourth proportional to 12,678,661.74, 17,483,320.31 and 7,521,026.84 is: 10,371,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678,661.74 : 17,483,320.31 = 7,521,026.84 : x
  2. Step 2: Convert to fraction form
    12,678,661.74/17,483,320.31 = 7,521,026.84/x
  3. Step 3: Cross multiply
    12,678,661.74x = 17,483,320.31 × 7,521,026.84
  4. Step 4: Simplify right side
    12,678,661.74x = 131,492,521,178,805.38
  5. Step 5: Solve for x
    x = 131,492,521,178,805.38/12,678,661.74
  6. Step 6: Final answer
    x = 10,371,167.23

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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.