Home / 20,594,647.40-30,891,971.10-15,826,404.20

Finding the Fourth Proportional to 20,594,647.40, 30,891,971.10 and 15,826,404.20

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Solution

The fourth proportional to 20,594,647.40, 30,891,971.10 and 15,826,404.20 is: 23,739,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,647.40 : 30,891,971.10 = 15,826,404.20 : x
  2. Step 2: Convert to fraction form
    20,594,647.40/30,891,971.10 = 15,826,404.20/x
  3. Step 3: Cross multiply
    20,594,647.40x = 30,891,971.10 × 15,826,404.20
  4. Step 4: Simplify right side
    20,594,647.40x = 488,908,821,163,318.62
  5. Step 5: Solve for x
    x = 488,908,821,163,318.62/20,594,647.40
  6. Step 6: Final answer
    x = 23,739,606.30

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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.