Home / 10,630,093.80-15,945,140.70-7,382,836.20

Finding the Fourth Proportional to 10,630,093.80, 15,945,140.70 and 7,382,836.20

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Solution

The fourth proportional to 10,630,093.80, 15,945,140.70 and 7,382,836.20 is: 11,074,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,093.80 : 15,945,140.70 = 7,382,836.20 : x
  2. Step 2: Convert to fraction form
    10,630,093.80/15,945,140.70 = 7,382,836.20/x
  3. Step 3: Cross multiply
    10,630,093.80x = 15,945,140.70 × 7,382,836.20
  4. Step 4: Simplify right side
    10,630,093.80x = 117,720,361,974,053.34
  5. Step 5: Solve for x
    x = 117,720,361,974,053.34/10,630,093.80
  6. Step 6: Final answer
    x = 11,074,254.30

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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.