Home / 12,150,504.80-18,235,333.06-5,331,784.62

Finding the Fourth Proportional to 12,150,504.80, 18,235,333.06 and 5,331,784.62

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Solution

The fourth proportional to 12,150,504.80, 18,235,333.06 and 5,331,784.62 is: 8,001,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150,504.80 : 18,235,333.06 = 5,331,784.62 : x
  2. Step 2: Convert to fraction form
    12,150,504.80/18,235,333.06 = 5,331,784.62/x
  3. Step 3: Cross multiply
    12,150,504.80x = 18,235,333.06 × 5,331,784.62
  4. Step 4: Simplify right side
    12,150,504.80x = 97,226,868,349,885.53
  5. Step 5: Solve for x
    x = 97,226,868,349,885.53/12,150,504.80
  6. Step 6: Final answer
    x = 8,001,878.93

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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.