Home / 12,696,835.02-17,522,712.92-7,191,189.28

Finding the Fourth Proportional to 12,696,835.02, 17,522,712.92 and 7,191,189.28

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Solution

The fourth proportional to 12,696,835.02, 17,522,712.92 and 7,191,189.28 is: 9,924,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,835.02 : 17,522,712.92 = 7,191,189.28 : x
  2. Step 2: Convert to fraction form
    12,696,835.02/17,522,712.92 = 7,191,189.28/x
  3. Step 3: Cross multiply
    12,696,835.02x = 17,522,712.92 × 7,191,189.28
  4. Step 4: Simplify right side
    12,696,835.02x = 126,009,145,346,702.86
  5. Step 5: Solve for x
    x = 126,009,145,346,702.86/12,696,835.02
  6. Step 6: Final answer
    x = 9,924,453.23

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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.