Home / 21,152,259.80-31,731,213.18-8,369,775.18

Finding the Fourth Proportional to 21,152,259.80, 31,731,213.18 and 8,369,775.18

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Solution

The fourth proportional to 21,152,259.80, 31,731,213.18 and 8,369,775.18 is: 12,555,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,259.80 : 31,731,213.18 = 8,369,775.18 : x
  2. Step 2: Convert to fraction form
    21,152,259.80/31,731,213.18 = 8,369,775.18/x
  3. Step 3: Cross multiply
    21,152,259.80x = 31,731,213.18 × 8,369,775.18
  4. Step 4: Simplify right side
    21,152,259.80x = 265,583,120,505,252.88
  5. Step 5: Solve for x
    x = 265,583,120,505,252.88/21,152,259.80
  6. Step 6: Final answer
    x = 12,555,780.00

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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.