Home / 31,501,020.40-47,157,052.20-18,714,943.60

Finding the Fourth Proportional to 31,501,020.40, 47,157,052.20 and 18,714,943.60

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Solution

The fourth proportional to 31,501,020.40, 47,157,052.20 and 18,714,943.60 is: 28,016,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501,020.40 : 47,157,052.20 = 18,714,943.60 : x
  2. Step 2: Convert to fraction form
    31,501,020.40/47,157,052.20 = 18,714,943.60/x
  3. Step 3: Cross multiply
    31,501,020.40x = 47,157,052.20 × 18,714,943.60
  4. Step 4: Simplify right side
    31,501,020.40x = 882,541,572,265,256
  5. Step 5: Solve for x
    x = 882,541,572,265,256/31,501,020.40
  6. Step 6: Final answer
    x = 28,016,285.22

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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.