Home / 38,247,318.48-52,779,760.56-20,843,292.36

Finding the Fourth Proportional to 38,247,318.48, 52,779,760.56 and 20,843,292.36

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Solution

The fourth proportional to 38,247,318.48, 52,779,760.56 and 20,843,292.36 is: 28,762,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,318.48 : 52,779,760.56 = 20,843,292.36 : x
  2. Step 2: Convert to fraction form
    38,247,318.48/52,779,760.56 = 20,843,292.36/x
  3. Step 3: Cross multiply
    38,247,318.48x = 52,779,760.56 × 20,843,292.36
  4. Step 4: Simplify right side
    38,247,318.48x = 1,100,103,980,042,877.38
  5. Step 5: Solve for x
    x = 1,100,103,980,042,877.38/38,247,318.48
  6. Step 6: Final answer
    x = 28,762,904.79

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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.