Home / 20,793,629.10-31,169,448.45-9,442,224.30

Finding the Fourth Proportional to 20,793,629.10, 31,169,448.45 and 9,442,224.30

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Solution

The fourth proportional to 20,793,629.10, 31,169,448.45 and 9,442,224.30 is: 14,153,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793,629.10 : 31,169,448.45 = 9,442,224.30 : x
  2. Step 2: Convert to fraction form
    20,793,629.10/31,169,448.45 = 9,442,224.30/x
  3. Step 3: Cross multiply
    20,793,629.10x = 31,169,448.45 × 9,442,224.30
  4. Step 4: Simplify right side
    20,793,629.10x = 294,308,923,572,187.38
  5. Step 5: Solve for x
    x = 294,308,923,572,187.38/20,793,629.10
  6. Step 6: Final answer
    x = 14,153,802.69

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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.