Home / 8,794,728.40-13,190,710.20-3,114,139.60

Finding the Fourth Proportional to 8,794,728.40, 13,190,710.20 and 3,114,139.60

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Solution

The fourth proportional to 8,794,728.40, 13,190,710.20 and 3,114,139.60 is: 4,670,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794,728.40 : 13,190,710.20 = 3,114,139.60 : x
  2. Step 2: Convert to fraction form
    8,794,728.40/13,190,710.20 = 3,114,139.60/x
  3. Step 3: Cross multiply
    8,794,728.40x = 13,190,710.20 × 3,114,139.60
  4. Step 4: Simplify right side
    8,794,728.40x = 41,077,712,985,943.92
  5. Step 5: Solve for x
    x = 41,077,712,985,943.92/8,794,728.40
  6. Step 6: Final answer
    x = 4,670,719.90

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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.