Home / 20,980,946.06-31,463,447.48-10,039,905.08

Finding the Fourth Proportional to 20,980,946.06, 31,463,447.48 and 10,039,905.08

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Solution

The fourth proportional to 20,980,946.06, 31,463,447.48 and 10,039,905.08 is: 15,056,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,980,946.06 : 31,463,447.48 = 10,039,905.08 : x
  2. Step 2: Convert to fraction form
    20,980,946.06/31,463,447.48 = 10,039,905.08/x
  3. Step 3: Cross multiply
    20,980,946.06x = 31,463,447.48 × 10,039,905.08
  4. Step 4: Simplify right side
    20,980,946.06x = 315,890,026,188,765.19
  5. Step 5: Solve for x
    x = 315,890,026,188,765.19/20,980,946.06
  6. Step 6: Final answer
    x = 15,056,043.01

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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.