Home / 5,345,938.20-8,001,192.60-4,920,785.40

Finding the Fourth Proportional to 5,345,938.20, 8,001,192.60 and 4,920,785.40

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Solution

The fourth proportional to 5,345,938.20, 8,001,192.60 and 4,920,785.40 is: 7,364,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345,938.20 : 8,001,192.60 = 4,920,785.40 : x
  2. Step 2: Convert to fraction form
    5,345,938.20/8,001,192.60 = 4,920,785.40/x
  3. Step 3: Cross multiply
    5,345,938.20x = 8,001,192.60 × 4,920,785.40
  4. Step 4: Simplify right side
    5,345,938.20x = 39,372,151,728,668.04
  5. Step 5: Solve for x
    x = 39,372,151,728,668.04/5,345,938.20
  6. Step 6: Final answer
    x = 7,364,872.22

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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.