Home / 12,687,020.84-17,508,096.24-6,885,802.56

Finding the Fourth Proportional to 12,687,020.84, 17,508,096.24 and 6,885,802.56

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Solution

The fourth proportional to 12,687,020.84, 17,508,096.24 and 6,885,802.56 is: 9,502,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,020.84 : 17,508,096.24 = 6,885,802.56 : x
  2. Step 2: Convert to fraction form
    12,687,020.84/17,508,096.24 = 6,885,802.56/x
  3. Step 3: Cross multiply
    12,687,020.84x = 17,508,096.24 × 6,885,802.56
  4. Step 4: Simplify right side
    12,687,020.84x = 120,557,293,851,468.94
  5. Step 5: Solve for x
    x = 120,557,293,851,468.94/12,687,020.84
  6. Step 6: Final answer
    x = 9,502,411.59

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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.