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Finding the Fourth Proportional to 21,796,711.74, 32,696,259.93 and 8,840,938.32

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Solution

The fourth proportional to 21,796,711.74, 32,696,259.93 and 8,840,938.32 is: 13,261,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,796,711.74 : 32,696,259.93 = 8,840,938.32 : x
  2. Step 2: Convert to fraction form
    21,796,711.74/32,696,259.93 = 8,840,938.32/x
  3. Step 3: Cross multiply
    21,796,711.74x = 32,696,259.93 × 8,840,938.32
  4. Step 4: Simplify right side
    21,796,711.74x = 289,065,617,335,817.50
  5. Step 5: Solve for x
    x = 289,065,617,335,817.50/21,796,711.74
  6. Step 6: Final answer
    x = 13,261,891.10

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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.