Home / 10,101,838.56-13,940,308.08-5,518,180.32

Finding the Fourth Proportional to 10,101,838.56, 13,940,308.08 and 5,518,180.32

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Solution

The fourth proportional to 10,101,838.56, 13,940,308.08 and 5,518,180.32 is: 7,614,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101,838.56 : 13,940,308.08 = 5,518,180.32 : x
  2. Step 2: Convert to fraction form
    10,101,838.56/13,940,308.08 = 5,518,180.32/x
  3. Step 3: Cross multiply
    10,101,838.56x = 13,940,308.08 × 5,518,180.32
  4. Step 4: Simplify right side
    10,101,838.56x = 76,925,133,701,792.98
  5. Step 5: Solve for x
    x = 76,925,133,701,792.98/10,101,838.56
  6. Step 6: Final answer
    x = 7,614,963.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.