Home / 8,771,275.11-12,103,745.17-5,099,931.21

Finding the Fourth Proportional to 8,771,275.11, 12,103,745.17 and 5,099,931.21

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Solution

The fourth proportional to 8,771,275.11, 12,103,745.17 and 5,099,931.21 is: 7,037,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771,275.11 : 12,103,745.17 = 5,099,931.21 : x
  2. Step 2: Convert to fraction form
    8,771,275.11/12,103,745.17 = 5,099,931.21/x
  3. Step 3: Cross multiply
    8,771,275.11x = 12,103,745.17 × 5,099,931.21
  4. Step 4: Simplify right side
    8,771,275.11x = 61,728,267,783,008.98
  5. Step 5: Solve for x
    x = 61,728,267,783,008.98/8,771,275.11
  6. Step 6: Final answer
    x = 7,037,547.79

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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.