Home / 9,642,400.86-13,306,674.86-5,291,891.98

Finding the Fourth Proportional to 9,642,400.86, 13,306,674.86 and 5,291,891.98

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Solution

The fourth proportional to 9,642,400.86, 13,306,674.86 and 5,291,891.98 is: 7,302,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,400.86 : 13,306,674.86 = 5,291,891.98 : x
  2. Step 2: Convert to fraction form
    9,642,400.86/13,306,674.86 = 5,291,891.98/x
  3. Step 3: Cross multiply
    9,642,400.86x = 13,306,674.86 × 5,291,891.98
  4. Step 4: Simplify right side
    9,642,400.86x = 70,417,485,972,101.62
  5. Step 5: Solve for x
    x = 70,417,485,972,101.62/9,642,400.86
  6. Step 6: Final answer
    x = 7,302,899.66

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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.