Home / 9,159,464.78-12,639,486.50-5,029,467.01

Finding the Fourth Proportional to 9,159,464.78, 12,639,486.50 and 5,029,467.01

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Solution

The fourth proportional to 9,159,464.78, 12,639,486.50 and 5,029,467.01 is: 6,940,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159,464.78 : 12,639,486.50 = 5,029,467.01 : x
  2. Step 2: Convert to fraction form
    9,159,464.78/12,639,486.50 = 5,029,467.01/x
  3. Step 3: Cross multiply
    9,159,464.78x = 12,639,486.50 × 5,029,467.01
  4. Step 4: Simplify right side
    9,159,464.78x = 63,569,880,341,796.53
  5. Step 5: Solve for x
    x = 63,569,880,341,796.53/9,159,464.78
  6. Step 6: Final answer
    x = 6,940,348.79

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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.