Home / 7,239,822.84-9,983,924.10-4,890,187.80

Finding the Fourth Proportional to 7,239,822.84, 9,983,924.10 and 4,890,187.80

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Solution

The fourth proportional to 7,239,822.84, 9,983,924.10 and 4,890,187.80 is: 6,743,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,822.84 : 9,983,924.10 = 4,890,187.80 : x
  2. Step 2: Convert to fraction form
    7,239,822.84/9,983,924.10 = 4,890,187.80/x
  3. Step 3: Cross multiply
    7,239,822.84x = 9,983,924.10 × 4,890,187.80
  4. Step 4: Simplify right side
    7,239,822.84x = 48,823,263,829,945.98
  5. Step 5: Solve for x
    x = 48,823,263,829,945.98/7,239,822.84
  6. Step 6: Final answer
    x = 6,743,709.74

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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.