Home / 7,000,743.20-10,480,119.60-4,159,392.80

Finding the Fourth Proportional to 7,000,743.20, 10,480,119.60 and 4,159,392.80

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Solution

The fourth proportional to 7,000,743.20, 10,480,119.60 and 4,159,392.80 is: 6,226,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,743.20 : 10,480,119.60 = 4,159,392.80 : x
  2. Step 2: Convert to fraction form
    7,000,743.20/10,480,119.60 = 4,159,392.80/x
  3. Step 3: Cross multiply
    7,000,743.20x = 10,480,119.60 × 4,159,392.80
  4. Step 4: Simplify right side
    7,000,743.20x = 43,590,934,007,378.88
  5. Step 5: Solve for x
    x = 43,590,934,007,378.88/7,000,743.20
  6. Step 6: Final answer
    x = 6,226,615.20

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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.