Home / 17,815,751.82-26,742,525.30-15,779,630.25

Finding the Fourth Proportional to 17,815,751.82, 26,742,525.30 and 15,779,630.25

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Solution

The fourth proportional to 17,815,751.82, 26,742,525.30 and 15,779,630.25 is: 23,686,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815,751.82 : 26,742,525.30 = 15,779,630.25 : x
  2. Step 2: Convert to fraction form
    17,815,751.82/26,742,525.30 = 15,779,630.25/x
  3. Step 3: Cross multiply
    17,815,751.82x = 26,742,525.30 × 15,779,630.25
  4. Step 4: Simplify right side
    17,815,751.82x = 421,987,161,185,270.31
  5. Step 5: Solve for x
    x = 421,987,161,185,270.31/17,815,751.82
  6. Step 6: Final answer
    x = 23,686,183.18

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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.