Home / 14,520,086.70-21,780,130.05-12,252,605.10

Finding the Fourth Proportional to 14,520,086.70, 21,780,130.05 and 12,252,605.10

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Solution

The fourth proportional to 14,520,086.70, 21,780,130.05 and 12,252,605.10 is: 18,378,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,086.70 : 21,780,130.05 = 12,252,605.10 : x
  2. Step 2: Convert to fraction form
    14,520,086.70/21,780,130.05 = 12,252,605.10/x
  3. Step 3: Cross multiply
    14,520,086.70x = 21,780,130.05 × 12,252,605.10
  4. Step 4: Simplify right side
    14,520,086.70x = 266,863,332,529,293.25
  5. Step 5: Solve for x
    x = 266,863,332,529,293.25/14,520,086.70
  6. Step 6: Final answer
    x = 18,378,907.65

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1.5x scale

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.