Home / 20,911,024.80-31,368,092.40-7,446,103.20

Finding the Fourth Proportional to 20,911,024.80, 31,368,092.40 and 7,446,103.20

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Solution

The fourth proportional to 20,911,024.80, 31,368,092.40 and 7,446,103.20 is: 11,169,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,024.80 : 31,368,092.40 = 7,446,103.20 : x
  2. Step 2: Convert to fraction form
    20,911,024.80/31,368,092.40 = 7,446,103.20/x
  3. Step 3: Cross multiply
    20,911,024.80x = 31,368,092.40 × 7,446,103.20
  4. Step 4: Simplify right side
    20,911,024.80x = 233,570,053,197,535.69
  5. Step 5: Solve for x
    x = 233,570,053,197,535.69/20,911,024.80
  6. Step 6: Final answer
    x = 11,169,708.58

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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.