Home / 9,985,120.02-14,978,107.40-3,921,163.83

Finding the Fourth Proportional to 9,985,120.02, 14,978,107.40 and 3,921,163.83

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Solution

The fourth proportional to 9,985,120.02, 14,978,107.40 and 3,921,163.83 is: 5,881,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,120.02 : 14,978,107.40 = 3,921,163.83 : x
  2. Step 2: Convert to fraction form
    9,985,120.02/14,978,107.40 = 3,921,163.83/x
  3. Step 3: Cross multiply
    9,985,120.02x = 14,978,107.40 × 3,921,163.83
  4. Step 4: Simplify right side
    9,985,120.02x = 58,731,612,959,129.52
  5. Step 5: Solve for x
    x = 58,731,612,959,129.52/9,985,120.02
  6. Step 6: Final answer
    x = 5,881,913.57

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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.