Home / 34,405,272.72-47,479,611.60-18,935,714.16

Finding the Fourth Proportional to 34,405,272.72, 47,479,611.60 and 18,935,714.16

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Solution

The fourth proportional to 34,405,272.72, 47,479,611.60 and 18,935,714.16 is: 26,131,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,405,272.72 : 47,479,611.60 = 18,935,714.16 : x
  2. Step 2: Convert to fraction form
    34,405,272.72/47,479,611.60 = 18,935,714.16/x
  3. Step 3: Cross multiply
    34,405,272.72x = 47,479,611.60 × 18,935,714.16
  4. Step 4: Simplify right side
    34,405,272.72x = 899,060,353,685,420.25
  5. Step 5: Solve for x
    x = 899,060,353,685,420.25/34,405,272.72
  6. Step 6: Final answer
    x = 26,131,470.05

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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.