Home / 12,402,289.62-18,567,055.17-8,696,463.66

Finding the Fourth Proportional to 12,402,289.62, 18,567,055.17 and 8,696,463.66

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Solution

The fourth proportional to 12,402,289.62, 18,567,055.17 and 8,696,463.66 is: 13,019,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,289.62 : 18,567,055.17 = 8,696,463.66 : x
  2. Step 2: Convert to fraction form
    12,402,289.62/18,567,055.17 = 8,696,463.66/x
  3. Step 3: Cross multiply
    12,402,289.62x = 18,567,055.17 × 8,696,463.66
  4. Step 4: Simplify right side
    12,402,289.62x = 161,467,720,559,120.12
  5. Step 5: Solve for x
    x = 161,467,720,559,120.12/12,402,289.62
  6. Step 6: Final answer
    x = 13,019,186.42

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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.