Home / 10,252,912.10-15,379,368.15-10,093,479.80

Finding the Fourth Proportional to 10,252,912.10, 15,379,368.15 and 10,093,479.80

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Solution

The fourth proportional to 10,252,912.10, 15,379,368.15 and 10,093,479.80 is: 15,140,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252,912.10 : 15,379,368.15 = 10,093,479.80 : x
  2. Step 2: Convert to fraction form
    10,252,912.10/15,379,368.15 = 10,093,479.80/x
  3. Step 3: Cross multiply
    10,252,912.10x = 15,379,368.15 × 10,093,479.80
  4. Step 4: Simplify right side
    10,252,912.10x = 155,231,341,758,788.38
  5. Step 5: Solve for x
    x = 155,231,341,758,788.38/10,252,912.10
  6. Step 6: Final answer
    x = 15,140,219.70

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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.