Home / 11,630,815.32-16,055,487.30-8,280,141.18

Finding the Fourth Proportional to 11,630,815.32, 16,055,487.30 and 8,280,141.18

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Solution

The fourth proportional to 11,630,815.32, 16,055,487.30 and 8,280,141.18 is: 11,430,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630,815.32 : 16,055,487.30 = 8,280,141.18 : x
  2. Step 2: Convert to fraction form
    11,630,815.32/16,055,487.30 = 8,280,141.18/x
  3. Step 3: Cross multiply
    11,630,815.32x = 16,055,487.30 × 8,280,141.18
  4. Step 4: Simplify right side
    11,630,815.32x = 132,941,701,557,697.02
  5. Step 5: Solve for x
    x = 132,941,701,557,697.02/11,630,815.32
  6. Step 6: Final answer
    x = 11,430,127.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.