Home / 14,367,816.30-21,551,724.45-12,808,922.70

Finding the Fourth Proportional to 14,367,816.30, 21,551,724.45 and 12,808,922.70

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Solution

The fourth proportional to 14,367,816.30, 21,551,724.45 and 12,808,922.70 is: 19,213,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,816.30 : 21,551,724.45 = 12,808,922.70 : x
  2. Step 2: Convert to fraction form
    14,367,816.30/21,551,724.45 = 12,808,922.70/x
  3. Step 3: Cross multiply
    14,367,816.30x = 21,551,724.45 × 12,808,922.70
  4. Step 4: Simplify right side
    14,367,816.30x = 276,054,372,531,750
  5. Step 5: Solve for x
    x = 276,054,372,531,750/14,367,816.30
  6. Step 6: Final answer
    x = 19,213,384.05

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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.