Home / 30,631,870.62-42,271,988.94-16,693,229.84

Finding the Fourth Proportional to 30,631,870.62, 42,271,988.94 and 16,693,229.84

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Solution

The fourth proportional to 30,631,870.62, 42,271,988.94 and 16,693,229.84 is: 23,036,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631,870.62 : 42,271,988.94 = 16,693,229.84 : x
  2. Step 2: Convert to fraction form
    30,631,870.62/42,271,988.94 = 16,693,229.84/x
  3. Step 3: Cross multiply
    30,631,870.62x = 42,271,988.94 × 16,693,229.84
  4. Step 4: Simplify right side
    30,631,870.62x = 705,656,026,957,998
  5. Step 5: Solve for x
    x = 705,656,026,957,998/30,631,870.62
  6. Step 6: Final answer
    x = 23,036,661.25

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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.