Home / 23,150,130.60-31,947,619.52-12,695,484.64

Finding the Fourth Proportional to 23,150,130.60, 31,947,619.52 and 12,695,484.64

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Solution

The fourth proportional to 23,150,130.60, 31,947,619.52 and 12,695,484.64 is: 17,520,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150,130.60 : 31,947,619.52 = 12,695,484.64 : x
  2. Step 2: Convert to fraction form
    23,150,130.60/31,947,619.52 = 12,695,484.64/x
  3. Step 3: Cross multiply
    23,150,130.60x = 31,947,619.52 × 12,695,484.64
  4. Step 4: Simplify right side
    23,150,130.60x = 405,590,512,900,724.19
  5. Step 5: Solve for x
    x = 405,590,512,900,724.19/23,150,130.60
  6. Step 6: Final answer
    x = 17,520,009.71

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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.