Home / 21,849,385.50-32,775,653.16-8,386,213.50

Finding the Fourth Proportional to 21,849,385.50, 32,775,653.16 and 8,386,213.50

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Solution

The fourth proportional to 21,849,385.50, 32,775,653.16 and 8,386,213.50 is: 12,579,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,385.50 : 32,775,653.16 = 8,386,213.50 : x
  2. Step 2: Convert to fraction form
    21,849,385.50/32,775,653.16 = 8,386,213.50/x
  3. Step 3: Cross multiply
    21,849,385.50x = 32,775,653.16 × 8,386,213.50
  4. Step 4: Simplify right side
    21,849,385.50x = 274,863,625,001,709.66
  5. Step 5: Solve for x
    x = 274,863,625,001,709.66/21,849,385.50
  6. Step 6: Final answer
    x = 12,579,924.73

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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.