Home / 18,988,337.80-28,483,284.30-5,525,165.80

Finding the Fourth Proportional to 18,988,337.80, 28,483,284.30 and 5,525,165.80

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Solution

The fourth proportional to 18,988,337.80, 28,483,284.30 and 5,525,165.80 is: 8,287,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,337.80 : 28,483,284.30 = 5,525,165.80 : x
  2. Step 2: Convert to fraction form
    18,988,337.80/28,483,284.30 = 5,525,165.80/x
  3. Step 3: Cross multiply
    18,988,337.80x = 28,483,284.30 × 5,525,165.80
  4. Step 4: Simplify right side
    18,988,337.80x = 157,374,868,286,036.94
  5. Step 5: Solve for x
    x = 157,374,868,286,036.94/18,988,337.80
  6. Step 6: Final answer
    x = 8,287,974.96

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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.