Home / 12,689,594.21-19,041,590.22-6,853,707.72

Finding the Fourth Proportional to 12,689,594.21, 19,041,590.22 and 6,853,707.72

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Solution

The fourth proportional to 12,689,594.21, 19,041,590.22 and 6,853,707.72 is: 10,284,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,594.21 : 19,041,590.22 = 6,853,707.72 : x
  2. Step 2: Convert to fraction form
    12,689,594.21/19,041,590.22 = 6,853,707.72/x
  3. Step 3: Cross multiply
    12,689,594.21x = 19,041,590.22 × 6,853,707.72
  4. Step 4: Simplify right side
    12,689,594.21x = 130,505,493,891,890.48
  5. Step 5: Solve for x
    x = 130,505,493,891,890.48/12,689,594.21
  6. Step 6: Final answer
    x = 10,284,449.75

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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.