Home / 13,322,470.30-18,385,064.38-7,210,898.80

Finding the Fourth Proportional to 13,322,470.30, 18,385,064.38 and 7,210,898.80

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Solution

The fourth proportional to 13,322,470.30, 18,385,064.38 and 7,210,898.80 is: 9,951,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,470.30 : 18,385,064.38 = 7,210,898.80 : x
  2. Step 2: Convert to fraction form
    13,322,470.30/18,385,064.38 = 7,210,898.80/x
  3. Step 3: Cross multiply
    13,322,470.30x = 18,385,064.38 × 7,210,898.80
  4. Step 4: Simplify right side
    13,322,470.30x = 132,572,838,675,664.73
  5. Step 5: Solve for x
    x = 132,572,838,675,664.73/13,322,470.30
  6. Step 6: Final answer
    x = 9,951,070.31

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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.