Home / 9,298,122.57-12,819,082.29-7,638,033.72

Finding the Fourth Proportional to 9,298,122.57, 12,819,082.29 and 7,638,033.72

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Solution

The fourth proportional to 9,298,122.57, 12,819,082.29 and 7,638,033.72 is: 10,530,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298,122.57 : 12,819,082.29 = 7,638,033.72 : x
  2. Step 2: Convert to fraction form
    9,298,122.57/12,819,082.29 = 7,638,033.72/x
  3. Step 3: Cross multiply
    9,298,122.57x = 12,819,082.29 × 7,638,033.72
  4. Step 4: Simplify right side
    9,298,122.57x = 97,912,582,790,474.81
  5. Step 5: Solve for x
    x = 97,912,582,790,474.81/9,298,122.57
  6. Step 6: Final answer
    x = 10,530,360.52

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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.