Home / 9,298,134.56-12,819,098.84-7,638,045.72

Finding the Fourth Proportional to 9,298,134.56, 12,819,098.84 and 7,638,045.72

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Solution

The fourth proportional to 9,298,134.56, 12,819,098.84 and 7,638,045.72 is: 10,530,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298,134.56 : 12,819,098.84 = 7,638,045.72 : x
  2. Step 2: Convert to fraction form
    9,298,134.56/12,819,098.84 = 7,638,045.72/x
  3. Step 3: Cross multiply
    9,298,134.56x = 12,819,098.84 × 7,638,045.72
  4. Step 4: Simplify right side
    9,298,134.56x = 97,912,863,029,118.95
  5. Step 5: Solve for x
    x = 97,912,863,029,118.95/9,298,134.56
  6. Step 6: Final answer
    x = 10,530,377.08

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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.