Home / 7,431,409.80-11,147,114.70-4,242,763.80

Finding the Fourth Proportional to 7,431,409.80, 11,147,114.70 and 4,242,763.80

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Solution

The fourth proportional to 7,431,409.80, 11,147,114.70 and 4,242,763.80 is: 6,364,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,409.80 : 11,147,114.70 = 4,242,763.80 : x
  2. Step 2: Convert to fraction form
    7,431,409.80/11,147,114.70 = 4,242,763.80/x
  3. Step 3: Cross multiply
    7,431,409.80x = 11,147,114.70 × 4,242,763.80
  4. Step 4: Simplify right side
    7,431,409.80x = 47,294,574,723,607.85
  5. Step 5: Solve for x
    x = 47,294,574,723,607.85/7,431,409.80
  6. Step 6: Final answer
    x = 6,364,145.70

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Double scale
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Similar ratio
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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.