Home / 12,907,764.80-17,812,822.47-7,027,439.16

Finding the Fourth Proportional to 12,907,764.80, 17,812,822.47 and 7,027,439.16

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Solution

The fourth proportional to 12,907,764.80, 17,812,822.47 and 7,027,439.16 is: 9,697,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,764.80 : 17,812,822.47 = 7,027,439.16 : x
  2. Step 2: Convert to fraction form
    12,907,764.80/17,812,822.47 = 7,027,439.16/x
  3. Step 3: Cross multiply
    12,907,764.80x = 17,812,822.47 × 7,027,439.16
  4. Step 4: Simplify right side
    12,907,764.80x = 125,178,526,175,805.92
  5. Step 5: Solve for x
    x = 125,178,526,175,805.92/12,907,764.80
  6. Step 6: Final answer
    x = 9,697,924.32

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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.