Home / 6,676,145.28-9,213,085.44-3,620,358.72

Finding the Fourth Proportional to 6,676,145.28, 9,213,085.44 and 3,620,358.72

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Solution

The fourth proportional to 6,676,145.28, 9,213,085.44 and 3,620,358.72 is: 4,996,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676,145.28 : 9,213,085.44 = 3,620,358.72 : x
  2. Step 2: Convert to fraction form
    6,676,145.28/9,213,085.44 = 3,620,358.72/x
  3. Step 3: Cross multiply
    6,676,145.28x = 9,213,085.44 × 3,620,358.72
  4. Step 4: Simplify right side
    6,676,145.28x = 33,354,674,210,809.04
  5. Step 5: Solve for x
    x = 33,354,674,210,809.04/6,676,145.28
  6. Step 6: Final answer
    x = 4,996,097.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.