Home / 10,868,605.80-16,302,390.30-3,679,434.60

Finding the Fourth Proportional to 10,868,605.80, 16,302,390.30 and 3,679,434.60

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Solution

The fourth proportional to 10,868,605.80, 16,302,390.30 and 3,679,434.60 is: 5,518,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,605.80 : 16,302,390.30 = 3,679,434.60 : x
  2. Step 2: Convert to fraction form
    10,868,605.80/16,302,390.30 = 3,679,434.60/x
  3. Step 3: Cross multiply
    10,868,605.80x = 16,302,390.30 × 3,679,434.60
  4. Step 4: Simplify right side
    10,868,605.80x = 59,983,578,932,524.38
  5. Step 5: Solve for x
    x = 59,983,578,932,524.38/10,868,605.80
  6. Step 6: Final answer
    x = 5,518,976.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.