Home / 12,406,807.10-18,610,217.13-3,887,810.30

Finding the Fourth Proportional to 12,406,807.10, 18,610,217.13 and 3,887,810.30

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Solution

The fourth proportional to 12,406,807.10, 18,610,217.13 and 3,887,810.30 is: 5,831,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406,807.10 : 18,610,217.13 = 3,887,810.30 : x
  2. Step 2: Convert to fraction form
    12,406,807.10/18,610,217.13 = 3,887,810.30/x
  3. Step 3: Cross multiply
    12,406,807.10x = 18,610,217.13 × 3,887,810.30
  4. Step 4: Simplify right side
    12,406,807.10x = 72,352,993,843,250.44
  5. Step 5: Solve for x
    x = 72,352,993,843,250.44/12,406,807.10
  6. Step 6: Final answer
    x = 5,831,717.48

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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.