Home / 15,415,776.02-21,272,054.42-8,538,535.82

Finding the Fourth Proportional to 15,415,776.02, 21,272,054.42 and 8,538,535.82

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Solution

The fourth proportional to 15,415,776.02, 21,272,054.42 and 8,538,535.82 is: 11,782,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,776.02 : 21,272,054.42 = 8,538,535.82 : x
  2. Step 2: Convert to fraction form
    15,415,776.02/21,272,054.42 = 8,538,535.82/x
  3. Step 3: Cross multiply
    15,415,776.02x = 21,272,054.42 × 8,538,535.82
  4. Step 4: Simplify right side
    15,415,776.02x = 181,632,198,704,685.78
  5. Step 5: Solve for x
    x = 181,632,198,704,685.78/15,415,776.02
  6. Step 6: Final answer
    x = 11,782,228.70

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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.