Home / 12,760,090.56-17,609,972.40-7,255,192.86

Finding the Fourth Proportional to 12,760,090.56, 17,609,972.40 and 7,255,192.86

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Solution

The fourth proportional to 12,760,090.56, 17,609,972.40 and 7,255,192.86 is: 10,012,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,090.56 : 17,609,972.40 = 7,255,192.86 : x
  2. Step 2: Convert to fraction form
    12,760,090.56/17,609,972.40 = 7,255,192.86/x
  3. Step 3: Cross multiply
    12,760,090.56x = 17,609,972.40 × 7,255,192.86
  4. Step 4: Simplify right side
    12,760,090.56x = 127,763,746,021,277.06
  5. Step 5: Solve for x
    x = 127,763,746,021,277.06/12,760,090.56
  6. Step 6: Final answer
    x = 10,012,761.70

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1.5x scale

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.