Home / 14,197,965.80-21,296,948.70-5,221,351.40

Finding the Fourth Proportional to 14,197,965.80, 21,296,948.70 and 5,221,351.40

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Solution

The fourth proportional to 14,197,965.80, 21,296,948.70 and 5,221,351.40 is: 7,832,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197,965.80 : 21,296,948.70 = 5,221,351.40 : x
  2. Step 2: Convert to fraction form
    14,197,965.80/21,296,948.70 = 5,221,351.40/x
  3. Step 3: Cross multiply
    14,197,965.80x = 21,296,948.70 × 5,221,351.40
  4. Step 4: Simplify right side
    14,197,965.80x = 111,198,852,910,473.19
  5. Step 5: Solve for x
    x = 111,198,852,910,473.19/14,197,965.80
  6. Step 6: Final answer
    x = 7,832,027.10

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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.