Home / 8,161,785.40-12,228,681.30-3,892,761.40

Finding the Fourth Proportional to 8,161,785.40, 12,228,681.30 and 3,892,761.40

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Solution

The fourth proportional to 8,161,785.40, 12,228,681.30 and 3,892,761.40 is: 5,832,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,785.40 : 12,228,681.30 = 3,892,761.40 : x
  2. Step 2: Convert to fraction form
    8,161,785.40/12,228,681.30 = 3,892,761.40/x
  3. Step 3: Cross multiply
    8,161,785.40x = 12,228,681.30 × 3,892,761.40
  4. Step 4: Simplify right side
    8,161,785.40x = 47,603,338,537,541.82
  5. Step 5: Solve for x
    x = 47,603,338,537,541.82/8,161,785.40
  6. Step 6: Final answer
    x = 5,832,466.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.