Home / 9,134,825.86-12,604,457.49-5,212,791.28

Finding the Fourth Proportional to 9,134,825.86, 12,604,457.49 and 5,212,791.28

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Solution

The fourth proportional to 9,134,825.86, 12,604,457.49 and 5,212,791.28 is: 7,192,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134,825.86 : 12,604,457.49 = 5,212,791.28 : x
  2. Step 2: Convert to fraction form
    9,134,825.86/12,604,457.49 = 5,212,791.28/x
  3. Step 3: Cross multiply
    9,134,825.86x = 12,604,457.49 × 5,212,791.28
  4. Step 4: Simplify right side
    9,134,825.86x = 65,704,406,142,165.60
  5. Step 5: Solve for x
    x = 65,704,406,142,165.60/9,134,825.86
  6. Step 6: Final answer
    x = 7,192,737.68

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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.