Home / 6,145,739.40-9,218,609.10-5,909,543.40

Finding the Fourth Proportional to 6,145,739.40, 9,218,609.10 and 5,909,543.40

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Solution

The fourth proportional to 6,145,739.40, 9,218,609.10 and 5,909,543.40 is: 8,864,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,739.40 : 9,218,609.10 = 5,909,543.40 : x
  2. Step 2: Convert to fraction form
    6,145,739.40/9,218,609.10 = 5,909,543.40/x
  3. Step 3: Cross multiply
    6,145,739.40x = 9,218,609.10 × 5,909,543.40
  4. Step 4: Simplify right side
    6,145,739.40x = 54,477,770,564,084.94
  5. Step 5: Solve for x
    x = 54,477,770,564,084.94/6,145,739.40
  6. Step 6: Final answer
    x = 8,864,315.10

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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.