Home / 15,855,647.40-23,783,471.10-13,392,210.60

Finding the Fourth Proportional to 15,855,647.40, 23,783,471.10 and 13,392,210.60

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Solution

The fourth proportional to 15,855,647.40, 23,783,471.10 and 13,392,210.60 is: 20,088,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855,647.40 : 23,783,471.10 = 13,392,210.60 : x
  2. Step 2: Convert to fraction form
    15,855,647.40/23,783,471.10 = 13,392,210.60/x
  3. Step 3: Cross multiply
    15,855,647.40x = 23,783,471.10 × 13,392,210.60
  4. Step 4: Simplify right side
    15,855,647.40x = 318,513,253,770,213.69
  5. Step 5: Solve for x
    x = 318,513,253,770,213.69/15,855,647.40
  6. Step 6: Final answer
    x = 20,088,315.90

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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.