Home / 30,813,396.80-42,521,966.70-17,062,065.68

Finding the Fourth Proportional to 30,813,396.80, 42,521,966.70 and 17,062,065.68

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Solution

The fourth proportional to 30,813,396.80, 42,521,966.70 and 17,062,065.68 is: 23,545,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,396.80 : 42,521,966.70 = 17,062,065.68 : x
  2. Step 2: Convert to fraction form
    30,813,396.80/42,521,966.70 = 17,062,065.68/x
  3. Step 3: Cross multiply
    30,813,396.80x = 42,521,966.70 × 17,062,065.68
  4. Step 4: Simplify right side
    30,813,396.80x = 725,512,588,678,172.88
  5. Step 5: Solve for x
    x = 725,512,588,678,172.88/30,813,396.80
  6. Step 6: Final answer
    x = 23,545,362.21

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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.