Home / 23,150,695.68-31,949,596.80-12,838,406.40

Finding the Fourth Proportional to 23,150,695.68, 31,949,596.80 and 12,838,406.40

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Solution

The fourth proportional to 23,150,695.68, 31,949,596.80 and 12,838,406.40 is: 17,717,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150,695.68 : 31,949,596.80 = 12,838,406.40 : x
  2. Step 2: Convert to fraction form
    23,150,695.68/31,949,596.80 = 12,838,406.40/x
  3. Step 3: Cross multiply
    23,150,695.68x = 31,949,596.80 × 12,838,406.40
  4. Step 4: Simplify right side
    23,150,695.68x = 410,181,908,034,539.56
  5. Step 5: Solve for x
    x = 410,181,908,034,539.56/23,150,695.68
  6. Step 6: Final answer
    x = 17,717,908.51

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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.