Home / 13,041,845.80-19,562,768.70-7,995,999.40

Finding the Fourth Proportional to 13,041,845.80, 19,562,768.70 and 7,995,999.40

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Solution

The fourth proportional to 13,041,845.80, 19,562,768.70 and 7,995,999.40 is: 11,993,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041,845.80 : 19,562,768.70 = 7,995,999.40 : x
  2. Step 2: Convert to fraction form
    13,041,845.80/19,562,768.70 = 7,995,999.40/x
  3. Step 3: Cross multiply
    13,041,845.80x = 19,562,768.70 × 7,995,999.40
  4. Step 4: Simplify right side
    13,041,845.80x = 156,423,886,787,538.78
  5. Step 5: Solve for x
    x = 156,423,886,787,538.78/13,041,845.80
  6. Step 6: Final answer
    x = 11,993,999.10

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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.