Home / 21,307,801.84-31,984,447.72-9,183,248.88

Finding the Fourth Proportional to 21,307,801.84, 31,984,447.72 and 9,183,248.88

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Solution

The fourth proportional to 21,307,801.84, 31,984,447.72 and 9,183,248.88 is: 13,784,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307,801.84 : 31,984,447.72 = 9,183,248.88 : x
  2. Step 2: Convert to fraction form
    21,307,801.84/31,984,447.72 = 9,183,248.88/x
  3. Step 3: Cross multiply
    21,307,801.84x = 31,984,447.72 × 9,183,248.88
  4. Step 4: Simplify right side
    21,307,801.84x = 293,721,143,702,108.56
  5. Step 5: Solve for x
    x = 293,721,143,702,108.56/21,307,801.84
  6. Step 6: Final answer
    x = 13,784,675.96

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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.