Home / 19,242,780.90-28,823,930.55-9,016,368.90

Finding the Fourth Proportional to 19,242,780.90, 28,823,930.55 and 9,016,368.90

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Solution

The fourth proportional to 19,242,780.90, 28,823,930.55 and 9,016,368.90 is: 13,505,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242,780.90 : 28,823,930.55 = 9,016,368.90 : x
  2. Step 2: Convert to fraction form
    19,242,780.90/28,823,930.55 = 9,016,368.90/x
  3. Step 3: Cross multiply
    19,242,780.90x = 28,823,930.55 × 9,016,368.90
  4. Step 4: Simplify right side
    19,242,780.90x = 259,887,190,986,779.91
  5. Step 5: Solve for x
    x = 259,887,190,986,779.91/19,242,780.90
  6. Step 6: Final answer
    x = 13,505,698.18

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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.