Home / 18,591,774.90-27,887,662.35-12,852,212.10

Finding the Fourth Proportional to 18,591,774.90, 27,887,662.35 and 12,852,212.10

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Solution

The fourth proportional to 18,591,774.90, 27,887,662.35 and 12,852,212.10 is: 19,278,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,774.90 : 27,887,662.35 = 12,852,212.10 : x
  2. Step 2: Convert to fraction form
    18,591,774.90/27,887,662.35 = 12,852,212.10/x
  3. Step 3: Cross multiply
    18,591,774.90x = 27,887,662.35 × 12,852,212.10
  4. Step 4: Simplify right side
    18,591,774.90x = 358,418,151,495,384.44
  5. Step 5: Solve for x
    x = 358,418,151,495,384.44/18,591,774.90
  6. Step 6: Final answer
    x = 19,278,318.15

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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.