Home / 21,129,415.98-31,704,932.72-10,063,015.22

Finding the Fourth Proportional to 21,129,415.98, 31,704,932.72 and 10,063,015.22

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Solution

The fourth proportional to 21,129,415.98, 31,704,932.72 and 10,063,015.22 is: 15,099,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,129,415.98 : 31,704,932.72 = 10,063,015.22 : x
  2. Step 2: Convert to fraction form
    21,129,415.98/31,704,932.72 = 10,063,015.22/x
  3. Step 3: Cross multiply
    21,129,415.98x = 31,704,932.72 × 10,063,015.22
  4. Step 4: Simplify right side
    21,129,415.98x = 319,047,220,301,596.25
  5. Step 5: Solve for x
    x = 319,047,220,301,596.25/21,129,415.98
  6. Step 6: Final answer
    x = 15,099,670.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.