Home / 9,915,299.78-14,868,162.58-4,156,486.60

Finding the Fourth Proportional to 9,915,299.78, 14,868,162.58 and 4,156,486.60

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Solution

The fourth proportional to 9,915,299.78, 14,868,162.58 and 4,156,486.60 is: 6,232,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915,299.78 : 14,868,162.58 = 4,156,486.60 : x
  2. Step 2: Convert to fraction form
    9,915,299.78/14,868,162.58 = 4,156,486.60/x
  3. Step 3: Cross multiply
    9,915,299.78x = 14,868,162.58 × 4,156,486.60
  4. Step 4: Simplify right side
    9,915,299.78x = 61,799,318,530,391.43
  5. Step 5: Solve for x
    x = 61,799,318,530,391.43/9,915,299.78
  6. Step 6: Final answer
    x = 6,232,723.16

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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.