Home / 21,859,228.80-32,809,838.40-11,088,691.20

Finding the Fourth Proportional to 21,859,228.80, 32,809,838.40 and 11,088,691.20

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Solution

The fourth proportional to 21,859,228.80, 32,809,838.40 and 11,088,691.20 is: 16,643,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859,228.80 : 32,809,838.40 = 11,088,691.20 : x
  2. Step 2: Convert to fraction form
    21,859,228.80/32,809,838.40 = 11,088,691.20/x
  3. Step 3: Cross multiply
    21,859,228.80x = 32,809,838.40 × 11,088,691.20
  4. Step 4: Simplify right side
    21,859,228.80x = 363,818,166,339,502.06
  5. Step 5: Solve for x
    x = 363,818,166,339,502.06/21,859,228.80
  6. Step 6: Final answer
    x = 16,643,687.19

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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.