Home / 20,563,272.20-30,839,378.70-8,593,531.40

Finding the Fourth Proportional to 20,563,272.20, 30,839,378.70 and 8,593,531.40

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Solution

The fourth proportional to 20,563,272.20, 30,839,378.70 and 8,593,531.40 is: 12,887,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563,272.20 : 30,839,378.70 = 8,593,531.40 : x
  2. Step 2: Convert to fraction form
    20,563,272.20/30,839,378.70 = 8,593,531.40/x
  3. Step 3: Cross multiply
    20,563,272.20x = 30,839,378.70 × 8,593,531.40
  4. Step 4: Simplify right side
    20,563,272.20x = 265,019,169,214,941.19
  5. Step 5: Solve for x
    x = 265,019,169,214,941.19/20,563,272.20
  6. Step 6: Final answer
    x = 12,887,986.24

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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.