Home / 8,978,557.07-13,467,835.79-2,155,130.26

Finding the Fourth Proportional to 8,978,557.07, 13,467,835.79 and 2,155,130.26

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Solution

The fourth proportional to 8,978,557.07, 13,467,835.79 and 2,155,130.26 is: 3,232,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,557.07 : 13,467,835.79 = 2,155,130.26 : x
  2. Step 2: Convert to fraction form
    8,978,557.07/13,467,835.79 = 2,155,130.26/x
  3. Step 3: Cross multiply
    8,978,557.07x = 13,467,835.79 × 2,155,130.26
  4. Step 4: Simplify right side
    8,978,557.07x = 29,024,940,487,133.08
  5. Step 5: Solve for x
    x = 29,024,940,487,133.08/8,978,557.07
  6. Step 6: Final answer
    x = 3,232,695.44

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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.