Home / 19,020,335.36-28,512,753.50-7,505,898.21

Finding the Fourth Proportional to 19,020,335.36, 28,512,753.50 and 7,505,898.21

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Solution

The fourth proportional to 19,020,335.36, 28,512,753.50 and 7,505,898.21 is: 11,251,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,335.36 : 28,512,753.50 = 7,505,898.21 : x
  2. Step 2: Convert to fraction form
    19,020,335.36/28,512,753.50 = 7,505,898.21/x
  3. Step 3: Cross multiply
    19,020,335.36x = 28,512,753.50 × 7,505,898.21
  4. Step 4: Simplify right side
    19,020,335.36x = 214,013,825,476,586
  5. Step 5: Solve for x
    x = 214,013,825,476,586/19,020,335.36
  6. Step 6: Final answer
    x = 11,251,842.91

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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.