Home / 16,161,063.12-22,302,740.32-8,819,369.32

Finding the Fourth Proportional to 16,161,063.12, 22,302,740.32 and 8,819,369.32

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Solution

The fourth proportional to 16,161,063.12, 22,302,740.32 and 8,819,369.32 is: 12,170,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161,063.12 : 22,302,740.32 = 8,819,369.32 : x
  2. Step 2: Convert to fraction form
    16,161,063.12/22,302,740.32 = 8,819,369.32/x
  3. Step 3: Cross multiply
    16,161,063.12x = 22,302,740.32 × 8,819,369.32
  4. Step 4: Simplify right side
    16,161,063.12x = 196,696,103,730,135
  5. Step 5: Solve for x
    x = 196,696,103,730,135/16,161,063.12
  6. Step 6: Final answer
    x = 12,170,987.90

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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.