Home / 8,309,111.40-12,462,371.10-2,630,730.60

Finding the Fourth Proportional to 8,309,111.40, 12,462,371.10 and 2,630,730.60

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Solution

The fourth proportional to 8,309,111.40, 12,462,371.10 and 2,630,730.60 is: 3,945,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,111.40 : 12,462,371.10 = 2,630,730.60 : x
  2. Step 2: Convert to fraction form
    8,309,111.40/12,462,371.10 = 2,630,730.60/x
  3. Step 3: Cross multiply
    8,309,111.40x = 12,462,371.10 × 2,630,730.60
  4. Step 4: Simplify right side
    8,309,111.40x = 32,785,141,001,325.66
  5. Step 5: Solve for x
    x = 32,785,141,001,325.66/8,309,111.40
  6. Step 6: Final answer
    x = 3,945,685.58

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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.