Home / 20,130,147.74-27,779,971.17-11,190,097.42

Finding the Fourth Proportional to 20,130,147.74, 27,779,971.17 and 11,190,097.42

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Solution

The fourth proportional to 20,130,147.74, 27,779,971.17 and 11,190,097.42 is: 15,442,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,147.74 : 27,779,971.17 = 11,190,097.42 : x
  2. Step 2: Convert to fraction form
    20,130,147.74/27,779,971.17 = 11,190,097.42/x
  3. Step 3: Cross multiply
    20,130,147.74x = 27,779,971.17 × 11,190,097.42
  4. Step 4: Simplify right side
    20,130,147.74x = 310,860,583,717,091.38
  5. Step 5: Solve for x
    x = 310,860,583,717,091.38/20,130,147.74
  6. Step 6: Final answer
    x = 15,442,538.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.