Home / 19,851,875.80-29,777,813.70-7,884,611.80

Finding the Fourth Proportional to 19,851,875.80, 29,777,813.70 and 7,884,611.80

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Solution

The fourth proportional to 19,851,875.80, 29,777,813.70 and 7,884,611.80 is: 11,826,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851,875.80 : 29,777,813.70 = 7,884,611.80 : x
  2. Step 2: Convert to fraction form
    19,851,875.80/29,777,813.70 = 7,884,611.80/x
  3. Step 3: Cross multiply
    19,851,875.80x = 29,777,813.70 × 7,884,611.80
  4. Step 4: Simplify right side
    19,851,875.80x = 234,786,501,277,221.66
  5. Step 5: Solve for x
    x = 234,786,501,277,221.66/19,851,875.80
  6. Step 6: Final answer
    x = 11,826,917.70

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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.