Home / 9,259,106.01-12,777,427.90-5,129,124.79

Finding the Fourth Proportional to 9,259,106.01, 12,777,427.90 and 5,129,124.79

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Solution

The fourth proportional to 9,259,106.01, 12,777,427.90 and 5,129,124.79 is: 7,078,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259,106.01 : 12,777,427.90 = 5,129,124.79 : x
  2. Step 2: Convert to fraction form
    9,259,106.01/12,777,427.90 = 5,129,124.79/x
  3. Step 3: Cross multiply
    9,259,106.01x = 12,777,427.90 × 5,129,124.79
  4. Step 4: Simplify right side
    9,259,106.01x = 65,537,022,194,327.64
  5. Step 5: Solve for x
    x = 65,537,022,194,327.64/9,259,106.01
  6. Step 6: Final answer
    x = 7,078,115.55

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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.