Home / 21,440,689.82-32,167,038.05-8,670,162.59

Finding the Fourth Proportional to 21,440,689.82, 32,167,038.05 and 8,670,162.59

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Solution

The fourth proportional to 21,440,689.82, 32,167,038.05 and 8,670,162.59 is: 13,007,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440,689.82 : 32,167,038.05 = 8,670,162.59 : x
  2. Step 2: Convert to fraction form
    21,440,689.82/32,167,038.05 = 8,670,162.59/x
  3. Step 3: Cross multiply
    21,440,689.82x = 32,167,038.05 × 8,670,162.59
  4. Step 4: Simplify right side
    21,440,689.82x = 278,893,450,086,490.12
  5. Step 5: Solve for x
    x = 278,893,450,086,490.12/21,440,689.82
  6. Step 6: Final answer
    x = 13,007,671.51

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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.