Home / 9,777,912.19-13,492,424.43-5,427,181.87

Finding the Fourth Proportional to 9,777,912.19, 13,492,424.43 and 5,427,181.87

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Solution

The fourth proportional to 9,777,912.19, 13,492,424.43 and 5,427,181.87 is: 7,488,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,912.19 : 13,492,424.43 = 5,427,181.87 : x
  2. Step 2: Convert to fraction form
    9,777,912.19/13,492,424.43 = 5,427,181.87/x
  3. Step 3: Cross multiply
    9,777,912.19x = 13,492,424.43 × 5,427,181.87
  4. Step 4: Simplify right side
    9,777,912.19x = 73,225,841,248,841.08
  5. Step 5: Solve for x
    x = 73,225,841,248,841.08/9,777,912.19
  6. Step 6: Final answer
    x = 7,488,903.54

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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.