Home / 12,158,345.32-16,778,914.30-6,651,592.44

Finding the Fourth Proportional to 12,158,345.32, 16,778,914.30 and 6,651,592.44

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Solution

The fourth proportional to 12,158,345.32, 16,778,914.30 and 6,651,592.44 is: 9,179,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,345.32 : 16,778,914.30 = 6,651,592.44 : x
  2. Step 2: Convert to fraction form
    12,158,345.32/16,778,914.30 = 6,651,592.44/x
  3. Step 3: Cross multiply
    12,158,345.32x = 16,778,914.30 × 6,651,592.44
  4. Step 4: Simplify right side
    12,158,345.32x = 111,606,499,509,287.91
  5. Step 5: Solve for x
    x = 111,606,499,509,287.91/12,158,345.32
  6. Step 6: Final answer
    x = 9,179,415.17

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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.