Home / 10,921,819.30-16,382,728.95-6,670,291.30

Finding the Fourth Proportional to 10,921,819.30, 16,382,728.95 and 6,670,291.30

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Solution

The fourth proportional to 10,921,819.30, 16,382,728.95 and 6,670,291.30 is: 10,005,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,819.30 : 16,382,728.95 = 6,670,291.30 : x
  2. Step 2: Convert to fraction form
    10,921,819.30/16,382,728.95 = 6,670,291.30/x
  3. Step 3: Cross multiply
    10,921,819.30x = 16,382,728.95 × 6,670,291.30
  4. Step 4: Simplify right side
    10,921,819.30x = 109,277,574,385,443.12
  5. Step 5: Solve for x
    x = 109,277,574,385,443.12/10,921,819.30
  6. Step 6: Final answer
    x = 10,005,436.95

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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.