Home / 20,885,976.36-31,335,377.58-9,970,095.60

Finding the Fourth Proportional to 20,885,976.36, 31,335,377.58 and 9,970,095.60

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Solution

The fourth proportional to 20,885,976.36, 31,335,377.58 and 9,970,095.60 is: 14,958,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,885,976.36 : 31,335,377.58 = 9,970,095.60 : x
  2. Step 2: Convert to fraction form
    20,885,976.36/31,335,377.58 = 9,970,095.60/x
  3. Step 3: Cross multiply
    20,885,976.36x = 31,335,377.58 × 9,970,095.60
  4. Step 4: Simplify right side
    20,885,976.36x = 312,416,710,134,696.62
  5. Step 5: Solve for x
    x = 312,416,710,134,696.62/20,885,976.36
  6. Step 6: Final answer
    x = 14,958,204.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.