Home / 10,992,381.20-16,488,571.80-9,362,628.80

Finding the Fourth Proportional to 10,992,381.20, 16,488,571.80 and 9,362,628.80

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Solution

The fourth proportional to 10,992,381.20, 16,488,571.80 and 9,362,628.80 is: 14,043,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,381.20 : 16,488,571.80 = 9,362,628.80 : x
  2. Step 2: Convert to fraction form
    10,992,381.20/16,488,571.80 = 9,362,628.80/x
  3. Step 3: Cross multiply
    10,992,381.20x = 16,488,571.80 × 9,362,628.80
  4. Step 4: Simplify right side
    10,992,381.20x = 154,376,377,205,547.84
  5. Step 5: Solve for x
    x = 154,376,377,205,547.84/10,992,381.20
  6. Step 6: Final answer
    x = 14,043,943.20

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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.