Home / 34,421,900.36-47,487,989.20-20,480,467.92

Finding the Fourth Proportional to 34,421,900.36, 47,487,989.20 and 20,480,467.92

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Solution

The fourth proportional to 34,421,900.36, 47,487,989.20 and 20,480,467.92 is: 28,254,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421,900.36 : 47,487,989.20 = 20,480,467.92 : x
  2. Step 2: Convert to fraction form
    34,421,900.36/47,487,989.20 = 20,480,467.92/x
  3. Step 3: Cross multiply
    34,421,900.36x = 47,487,989.20 × 20,480,467.92
  4. Step 4: Simplify right side
    34,421,900.36x = 972,576,239,395,906.62
  5. Step 5: Solve for x
    x = 972,576,239,395,906.62/34,421,900.36
  6. Step 6: Final answer
    x = 28,254,577.15

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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.