Home / 9,642,400.37-13,306,674.18-5,291,891.48

Finding the Fourth Proportional to 9,642,400.37, 13,306,674.18 and 5,291,891.48

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Solution

The fourth proportional to 9,642,400.37, 13,306,674.18 and 5,291,891.48 is: 7,302,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,400.37 : 13,306,674.18 = 5,291,891.48 : x
  2. Step 2: Convert to fraction form
    9,642,400.37/13,306,674.18 = 5,291,891.48/x
  3. Step 3: Cross multiply
    9,642,400.37x = 13,306,674.18 × 5,291,891.48
  4. Step 4: Simplify right side
    9,642,400.37x = 70,417,475,653,744.61
  5. Step 5: Solve for x
    x = 70,417,475,653,744.61/9,642,400.37
  6. Step 6: Final answer
    x = 7,302,898.97

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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.