Home / 7,345,352.80-11,018,029.20-6,169,621.60

Finding the Fourth Proportional to 7,345,352.80, 11,018,029.20 and 6,169,621.60

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Solution

The fourth proportional to 7,345,352.80, 11,018,029.20 and 6,169,621.60 is: 9,254,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,352.80 : 11,018,029.20 = 6,169,621.60 : x
  2. Step 2: Convert to fraction form
    7,345,352.80/11,018,029.20 = 6,169,621.60/x
  3. Step 3: Cross multiply
    7,345,352.80x = 11,018,029.20 × 6,169,621.60
  4. Step 4: Simplify right side
    7,345,352.80x = 67,977,070,941,750.71
  5. Step 5: Solve for x
    x = 67,977,070,941,750.71/7,345,352.80
  6. Step 6: Final answer
    x = 9,254,432.40

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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.