Home / 12,406,972.10-18,610,464.90-3,887,975.30

Finding the Fourth Proportional to 12,406,972.10, 18,610,464.90 and 3,887,975.30

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Solution

The fourth proportional to 12,406,972.10, 18,610,464.90 and 3,887,975.30 is: 5,831,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406,972.10 : 18,610,464.90 = 3,887,975.30 : x
  2. Step 2: Convert to fraction form
    12,406,972.10/18,610,464.90 = 3,887,975.30/x
  3. Step 3: Cross multiply
    12,406,972.10x = 18,610,464.90 × 3,887,975.30
  4. Step 4: Simplify right side
    12,406,972.10x = 72,357,027,852,716.95
  5. Step 5: Solve for x
    x = 72,357,027,852,716.95/12,406,972.10
  6. Step 6: Final answer
    x = 5,831,965.07

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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.