Home / 11,939,427.40-17,909,068.14-3,419,779.40

Finding the Fourth Proportional to 11,939,427.40, 17,909,068.14 and 3,419,779.40

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Solution

The fourth proportional to 11,939,427.40, 17,909,068.14 and 3,419,779.40 is: 5,129,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939,427.40 : 17,909,068.14 = 3,419,779.40 : x
  2. Step 2: Convert to fraction form
    11,939,427.40/17,909,068.14 = 3,419,779.40/x
  3. Step 3: Cross multiply
    11,939,427.40x = 17,909,068.14 × 3,419,779.40
  4. Step 4: Simplify right side
    11,939,427.40x = 61,245,062,298,368.31
  5. Step 5: Solve for x
    x = 61,245,062,298,368.31/11,939,427.40
  6. Step 6: Final answer
    x = 5,129,648.20

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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.