Home / 20,920,567.62-28,873,809.81-17,430,370.77

Finding the Fourth Proportional to 20,920,567.62, 28,873,809.81 and 17,430,370.77

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Solution

The fourth proportional to 20,920,567.62, 28,873,809.81 and 17,430,370.77 is: 24,056,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,920,567.62 : 28,873,809.81 = 17,430,370.77 : x
  2. Step 2: Convert to fraction form
    20,920,567.62/28,873,809.81 = 17,430,370.77/x
  3. Step 3: Cross multiply
    20,920,567.62x = 28,873,809.81 × 17,430,370.77
  4. Step 4: Simplify right side
    20,920,567.62x = 503,281,210,530,763.19
  5. Step 5: Solve for x
    x = 503,281,210,530,763.19/20,920,567.62
  6. Step 6: Final answer
    x = 24,056,766.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.