Home / 10,368,504.45-15,552,756.68-9,920,606.85

Finding the Fourth Proportional to 10,368,504.45, 15,552,756.68 and 9,920,606.85

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Solution

The fourth proportional to 10,368,504.45, 15,552,756.68 and 9,920,606.85 is: 14,880,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,504.45 : 15,552,756.68 = 9,920,606.85 : x
  2. Step 2: Convert to fraction form
    10,368,504.45/15,552,756.68 = 9,920,606.85/x
  3. Step 3: Cross multiply
    10,368,504.45x = 15,552,756.68 × 9,920,606.85
  4. Step 4: Simplify right side
    10,368,504.45x = 154,292,784,406,388.22
  5. Step 5: Solve for x
    x = 154,292,784,406,388.22/10,368,504.45
  6. Step 6: Final answer
    x = 14,880,910.28

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1.5x scale

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.