Home / 20,563,327.20-30,839,461.20-8,593,586.40

Finding the Fourth Proportional to 20,563,327.20, 30,839,461.20 and 8,593,586.40

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Solution

The fourth proportional to 20,563,327.20, 30,839,461.20 and 8,593,586.40 is: 12,888,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563,327.20 : 30,839,461.20 = 8,593,586.40 : x
  2. Step 2: Convert to fraction form
    20,563,327.20/30,839,461.20 = 8,593,586.40/x
  3. Step 3: Cross multiply
    20,563,327.20x = 30,839,461.20 × 8,593,586.40
  4. Step 4: Simplify right side
    20,563,327.20x = 265,021,574,351,647.69
  5. Step 5: Solve for x
    x = 265,021,574,351,647.69/20,563,327.20
  6. Step 6: Final answer
    x = 12,888,068.73

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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.