Home / 12,617,982.19-17,418,628.03-7,390,264.87

Finding the Fourth Proportional to 12,617,982.19, 17,418,628.03 and 7,390,264.87

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Solution

The fourth proportional to 12,617,982.19, 17,418,628.03 and 7,390,264.87 is: 10,201,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,982.19 : 17,418,628.03 = 7,390,264.87 : x
  2. Step 2: Convert to fraction form
    12,617,982.19/17,418,628.03 = 7,390,264.87/x
  3. Step 3: Cross multiply
    12,617,982.19x = 17,418,628.03 × 7,390,264.87
  4. Step 4: Simplify right side
    12,617,982.19x = 128,728,274,813,706.31
  5. Step 5: Solve for x
    x = 128,728,274,813,706.31/12,617,982.19
  6. Step 6: Final answer
    x = 10,201,969.92

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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.