Home / 20,223,963.72-27,909,196.46-10,931,514.63

Finding the Fourth Proportional to 20,223,963.72, 27,909,196.46 and 10,931,514.63

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Solution

The fourth proportional to 20,223,963.72, 27,909,196.46 and 10,931,514.63 is: 15,085,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,963.72 : 27,909,196.46 = 10,931,514.63 : x
  2. Step 2: Convert to fraction form
    20,223,963.72/27,909,196.46 = 10,931,514.63/x
  3. Step 3: Cross multiply
    20,223,963.72x = 27,909,196.46 × 10,931,514.63
  4. Step 4: Simplify right side
    20,223,963.72x = 305,089,789,359,376.62
  5. Step 5: Solve for x
    x = 305,089,789,359,376.62/20,223,963.72
  6. Step 6: Final answer
    x = 15,085,558.58

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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.