Home / 6,620,802.38-9,931,140.12-3,923,185.76

Finding the Fourth Proportional to 6,620,802.38, 9,931,140.12 and 3,923,185.76

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Solution

The fourth proportional to 6,620,802.38, 9,931,140.12 and 3,923,185.76 is: 5,884,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,802.38 : 9,931,140.12 = 3,923,185.76 : x
  2. Step 2: Convert to fraction form
    6,620,802.38/9,931,140.12 = 3,923,185.76/x
  3. Step 3: Cross multiply
    6,620,802.38x = 9,931,140.12 × 3,923,185.76
  4. Step 4: Simplify right side
    6,620,802.38x = 38,961,707,499,348.69
  5. Step 5: Solve for x
    x = 38,961,707,499,348.69/6,620,802.38
  6. Step 6: Final answer
    x = 5,884,741.04

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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.