Home / 14,174,462.80-21,264,804.60-6,989,438.80

Finding the Fourth Proportional to 14,174,462.80, 21,264,804.60 and 6,989,438.80

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Solution

The fourth proportional to 14,174,462.80, 21,264,804.60 and 6,989,438.80 is: 10,485,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174,462.80 : 21,264,804.60 = 6,989,438.80 : x
  2. Step 2: Convert to fraction form
    14,174,462.80/21,264,804.60 = 6,989,438.80/x
  3. Step 3: Cross multiply
    14,174,462.80x = 21,264,804.60 × 6,989,438.80
  4. Step 4: Simplify right side
    14,174,462.80x = 148,629,050,345,658.50
  5. Step 5: Solve for x
    x = 148,629,050,345,658.50/14,174,462.80
  6. Step 6: Final answer
    x = 10,485,691.94

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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.