Home / 18,536,645.40-27,804,968.10-12,474,281.40

Finding the Fourth Proportional to 18,536,645.40, 27,804,968.10 and 12,474,281.40

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Solution

The fourth proportional to 18,536,645.40, 27,804,968.10 and 12,474,281.40 is: 18,711,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,645.40 : 27,804,968.10 = 12,474,281.40 : x
  2. Step 2: Convert to fraction form
    18,536,645.40/27,804,968.10 = 12,474,281.40/x
  3. Step 3: Cross multiply
    18,536,645.40x = 27,804,968.10 × 12,474,281.40
  4. Step 4: Simplify right side
    18,536,645.40x = 346,846,996,397,423.38
  5. Step 5: Solve for x
    x = 346,846,996,397,423.38/18,536,645.40
  6. Step 6: Final answer
    x = 18,711,422.10

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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.