Home / 12,777,652.56-17,634,706.80-7,272,366

Finding the Fourth Proportional to 12,777,652.56, 17,634,706.80 and 7,272,366

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Solution

The fourth proportional to 12,777,652.56, 17,634,706.80 and 7,272,366 is: 10,036,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,652.56 : 17,634,706.80 = 7,272,366 : x
  2. Step 2: Convert to fraction form
    12,777,652.56/17,634,706.80 = 7,272,366/x
  3. Step 3: Cross multiply
    12,777,652.56x = 17,634,706.80 × 7,272,366
  4. Step 4: Simplify right side
    12,777,652.56x = 128,246,042,152,288.81
  5. Step 5: Solve for x
    x = 128,246,042,152,288.81/12,777,652.56
  6. Step 6: Final answer
    x = 10,036,745.13

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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.