Home / 19,275,009.50-28,903,214.13-11,190,020.42

Finding the Fourth Proportional to 19,275,009.50, 28,903,214.13 and 11,190,020.42

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Solution

The fourth proportional to 19,275,009.50, 28,903,214.13 and 11,190,020.42 is: 16,779,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275,009.50 : 28,903,214.13 = 11,190,020.42 : x
  2. Step 2: Convert to fraction form
    19,275,009.50/28,903,214.13 = 11,190,020.42/x
  3. Step 3: Cross multiply
    19,275,009.50x = 28,903,214.13 × 11,190,020.42
  4. Step 4: Simplify right side
    19,275,009.50x = 323,427,556,173,816.44
  5. Step 5: Solve for x
    x = 323,427,556,173,816.44/19,275,009.50
  6. Step 6: Final answer
    x = 16,779,631.48

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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.