Home / 20,164,998.70-30,247,498.05-17,645,574.70

Finding the Fourth Proportional to 20,164,998.70, 30,247,498.05 and 17,645,574.70

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Solution

The fourth proportional to 20,164,998.70, 30,247,498.05 and 17,645,574.70 is: 26,468,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164,998.70 : 30,247,498.05 = 17,645,574.70 : x
  2. Step 2: Convert to fraction form
    20,164,998.70/30,247,498.05 = 17,645,574.70/x
  3. Step 3: Cross multiply
    20,164,998.70x = 30,247,498.05 × 17,645,574.70
  4. Step 4: Simplify right side
    20,164,998.70x = 533,734,486,329,379.31
  5. Step 5: Solve for x
    x = 533,734,486,329,379.31/20,164,998.70
  6. Step 6: Final answer
    x = 26,468,362.05

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1.5x scale

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.