Home / 49,209,815.90-73,814,723.85-12,818,135.90

Finding the Fourth Proportional to 49,209,815.90, 73,814,723.85 and 12,818,135.90

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Solution

The fourth proportional to 49,209,815.90, 73,814,723.85 and 12,818,135.90 is: 19,227,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209,815.90 : 73,814,723.85 = 12,818,135.90 : x
  2. Step 2: Convert to fraction form
    49,209,815.90/73,814,723.85 = 12,818,135.90/x
  3. Step 3: Cross multiply
    49,209,815.90x = 73,814,723.85 × 12,818,135.90
  4. Step 4: Simplify right side
    49,209,815.90x = 946,167,161,730,271.12
  5. Step 5: Solve for x
    x = 946,167,161,730,271.12/49,209,815.90
  6. Step 6: Final answer
    x = 19,227,203.85

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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.