Home / 13,173,893-18,179,972.34-7,144,581

Finding the Fourth Proportional to 13,173,893, 18,179,972.34 and 7,144,581

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Solution

The fourth proportional to 13,173,893, 18,179,972.34 and 7,144,581 is: 9,859,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,893 : 18,179,972.34 = 7,144,581 : x
  2. Step 2: Convert to fraction form
    13,173,893/18,179,972.34 = 7,144,581/x
  3. Step 3: Cross multiply
    13,173,893x = 18,179,972.34 × 7,144,581
  4. Step 4: Simplify right side
    13,173,893x = 129,888,284,960,889.53
  5. Step 5: Solve for x
    x = 129,888,284,960,889.53/13,173,893
  6. Step 6: Final answer
    x = 9,859,521.78

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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.