Home / 10,979,384.09-16,453,929.33-7,922,391.84

Finding the Fourth Proportional to 10,979,384.09, 16,453,929.33 and 7,922,391.84

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Solution

The fourth proportional to 10,979,384.09, 16,453,929.33 and 7,922,391.84 is: 11,872,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979,384.09 : 16,453,929.33 = 7,922,391.84 : x
  2. Step 2: Convert to fraction form
    10,979,384.09/16,453,929.33 = 7,922,391.84/x
  3. Step 3: Cross multiply
    10,979,384.09x = 16,453,929.33 × 7,922,391.84
  4. Step 4: Simplify right side
    10,979,384.09x = 130,354,475,459,928.67
  5. Step 5: Solve for x
    x = 130,354,475,459,928.67/10,979,384.09
  6. Step 6: Final answer
    x = 11,872,658.29

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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.