Home / 21,274,914.08-31,907,705.52-6,125,555.36

Finding the Fourth Proportional to 21,274,914.08, 31,907,705.52 and 6,125,555.36

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Solution

The fourth proportional to 21,274,914.08, 31,907,705.52 and 6,125,555.36 is: 9,186,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274,914.08 : 31,907,705.52 = 6,125,555.36 : x
  2. Step 2: Convert to fraction form
    21,274,914.08/31,907,705.52 = 6,125,555.36/x
  3. Step 3: Cross multiply
    21,274,914.08x = 31,907,705.52 × 6,125,555.36
  4. Step 4: Simplify right side
    21,274,914.08x = 195,452,416,573,337.59
  5. Step 5: Solve for x
    x = 195,452,416,573,337.59/21,274,914.08
  6. Step 6: Final answer
    x = 9,186,989.70

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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.