Home / 23,116,345.66-31,900,166.08-12,802,847.32

Finding the Fourth Proportional to 23,116,345.66, 31,900,166.08 and 12,802,847.32

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Solution

The fourth proportional to 23,116,345.66, 31,900,166.08 and 12,802,847.32 is: 17,667,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116,345.66 : 31,900,166.08 = 12,802,847.32 : x
  2. Step 2: Convert to fraction form
    23,116,345.66/31,900,166.08 = 12,802,847.32/x
  3. Step 3: Cross multiply
    23,116,345.66x = 31,900,166.08 × 12,802,847.32
  4. Step 4: Simplify right side
    23,116,345.66x = 408,412,955,804,882.88
  5. Step 5: Solve for x
    x = 408,412,955,804,882.88/23,116,345.66
  6. Step 6: Final answer
    x = 17,667,712.79

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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.