Home / 14,367,811.80-21,551,717.70-12,808,918.20

Finding the Fourth Proportional to 14,367,811.80, 21,551,717.70 and 12,808,918.20

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Solution

The fourth proportional to 14,367,811.80, 21,551,717.70 and 12,808,918.20 is: 19,213,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,811.80 : 21,551,717.70 = 12,808,918.20 : x
  2. Step 2: Convert to fraction form
    14,367,811.80/21,551,717.70 = 12,808,918.20/x
  3. Step 3: Cross multiply
    14,367,811.80x = 21,551,717.70 × 12,808,918.20
  4. Step 4: Simplify right side
    14,367,811.80x = 276,054,189,088,792.12
  5. Step 5: Solve for x
    x = 276,054,189,088,792.12/14,367,811.80
  6. Step 6: Final answer
    x = 19,213,377.30

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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.