Home / 14,520,087.70-21,780,131.55-12,252,606.10

Finding the Fourth Proportional to 14,520,087.70, 21,780,131.55 and 12,252,606.10

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Solution

The fourth proportional to 14,520,087.70, 21,780,131.55 and 12,252,606.10 is: 18,378,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,087.70 : 21,780,131.55 = 12,252,606.10 : x
  2. Step 2: Convert to fraction form
    14,520,087.70/21,780,131.55 = 12,252,606.10/x
  3. Step 3: Cross multiply
    14,520,087.70x = 21,780,131.55 × 12,252,606.10
  4. Step 4: Simplify right side
    14,520,087.70x = 266,863,372,688,332.47
  5. Step 5: Solve for x
    x = 266,863,372,688,332.47/14,520,087.70
  6. Step 6: Final answer
    x = 18,378,909.15

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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.