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Finding the Fourth Proportional to 8,057,802.40, 12,083,204.40 and 2,664,368.80

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Solution

The fourth proportional to 8,057,802.40, 12,083,204.40 and 2,664,368.80 is: 3,995,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057,802.40 : 12,083,204.40 = 2,664,368.80 : x
  2. Step 2: Convert to fraction form
    8,057,802.40/12,083,204.40 = 2,664,368.80/x
  3. Step 3: Cross multiply
    8,057,802.40x = 12,083,204.40 × 2,664,368.80
  4. Step 4: Simplify right side
    8,057,802.40x = 32,194,112,807,382.72
  5. Step 5: Solve for x
    x = 32,194,112,807,382.72/8,057,802.40
  6. Step 6: Final answer
    x = 3,995,396.17

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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.