Home / 12,225,715.30-18,322,826.55-9,371,680.30

Finding the Fourth Proportional to 12,225,715.30, 18,322,826.55 and 9,371,680.30

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Solution

The fourth proportional to 12,225,715.30, 18,322,826.55 and 9,371,680.30 is: 14,045,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,715.30 : 18,322,826.55 = 9,371,680.30 : x
  2. Step 2: Convert to fraction form
    12,225,715.30/18,322,826.55 = 9,371,680.30/x
  3. Step 3: Cross multiply
    12,225,715.30x = 18,322,826.55 × 9,371,680.30
  4. Step 4: Simplify right side
    12,225,715.30x = 171,715,672,618,952
  5. Step 5: Solve for x
    x = 171,715,672,618,952/12,225,715.30
  6. Step 6: Final answer
    x = 14,045,449.97

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1.5x scale

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.