Home / 19,275,018.12-28,903,227.03-11,190,029.04

Finding the Fourth Proportional to 19,275,018.12, 28,903,227.03 and 11,190,029.04

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Solution

The fourth proportional to 19,275,018.12, 28,903,227.03 and 11,190,029.04 is: 16,779,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275,018.12 : 28,903,227.03 = 11,190,029.04 : x
  2. Step 2: Convert to fraction form
    19,275,018.12/28,903,227.03 = 11,190,029.04/x
  3. Step 3: Cross multiply
    19,275,018.12x = 28,903,227.03 × 11,190,029.04
  4. Step 4: Simplify right side
    19,275,018.12x = 323,427,949,815,412.94
  5. Step 5: Solve for x
    x = 323,427,949,815,412.94/19,275,018.12
  6. Step 6: Final answer
    x = 16,779,644.40

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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.