Home / 21,933,734.63-30,269,499.41-12,144,178.76

Finding the Fourth Proportional to 21,933,734.63, 30,269,499.41 and 12,144,178.76

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Solution

The fourth proportional to 21,933,734.63, 30,269,499.41 and 12,144,178.76 is: 16,759,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,734.63 : 30,269,499.41 = 12,144,178.76 : x
  2. Step 2: Convert to fraction form
    21,933,734.63/30,269,499.41 = 12,144,178.76/x
  3. Step 3: Cross multiply
    21,933,734.63x = 30,269,499.41 × 12,144,178.76
  4. Step 4: Simplify right side
    21,933,734.63x = 367,598,211,689,767.50
  5. Step 5: Solve for x
    x = 367,598,211,689,767.50/21,933,734.63
  6. Step 6: Final answer
    x = 16,759,490.25

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1.5x scale

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.