Home / 18,864,004.20-28,296,006.30-16,773,815.40

Finding the Fourth Proportional to 18,864,004.20, 28,296,006.30 and 16,773,815.40

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Solution

The fourth proportional to 18,864,004.20, 28,296,006.30 and 16,773,815.40 is: 25,160,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,004.20 : 28,296,006.30 = 16,773,815.40 : x
  2. Step 2: Convert to fraction form
    18,864,004.20/28,296,006.30 = 16,773,815.40/x
  3. Step 3: Cross multiply
    18,864,004.20x = 28,296,006.30 × 16,773,815.40
  4. Step 4: Simplify right side
    18,864,004.20x = 474,631,986,233,437.06
  5. Step 5: Solve for x
    x = 474,631,986,233,437.06/18,864,004.20
  6. Step 6: Final answer
    x = 25,160,723.10

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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.