Home / 30,505,779.12-45,923,590.81-27,790,775.36

Finding the Fourth Proportional to 30,505,779.12, 45,923,590.81 and 27,790,775.36

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Solution

The fourth proportional to 30,505,779.12, 45,923,590.81 and 27,790,775.36 is: 41,836,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,779.12 : 45,923,590.81 = 27,790,775.36 : x
  2. Step 2: Convert to fraction form
    30,505,779.12/45,923,590.81 = 27,790,775.36/x
  3. Step 3: Cross multiply
    30,505,779.12x = 45,923,590.81 × 27,790,775.36
  4. Step 4: Simplify right side
    30,505,779.12x = 1,276,252,195,925,270.50
  5. Step 5: Solve for x
    x = 1,276,252,195,925,270.50/30,505,779.12
  6. Step 6: Final answer
    x = 41,836,407.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.