Home / 8,709,639.45-13,064,967.66-2,644,569.05

Finding the Fourth Proportional to 8,709,639.45, 13,064,967.66 and 2,644,569.05

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Solution

The fourth proportional to 8,709,639.45, 13,064,967.66 and 2,644,569.05 is: 3,967,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,639.45 : 13,064,967.66 = 2,644,569.05 : x
  2. Step 2: Convert to fraction form
    8,709,639.45/13,064,967.66 = 2,644,569.05/x
  3. Step 3: Cross multiply
    8,709,639.45x = 13,064,967.66 × 2,644,569.05
  4. Step 4: Simplify right side
    8,709,639.45x = 34,551,209,099,664.07
  5. Step 5: Solve for x
    x = 34,551,209,099,664.07/8,709,639.45
  6. Step 6: Final answer
    x = 3,967,007.97

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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.