Home / 7,709,449.13-10,640,172.81-4,445,626.38

Finding the Fourth Proportional to 7,709,449.13, 10,640,172.81 and 4,445,626.38

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Solution

The fourth proportional to 7,709,449.13, 10,640,172.81 and 4,445,626.38 is: 6,135,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709,449.13 : 10,640,172.81 = 4,445,626.38 : x
  2. Step 2: Convert to fraction form
    7,709,449.13/10,640,172.81 = 4,445,626.38/x
  3. Step 3: Cross multiply
    7,709,449.13x = 10,640,172.81 × 4,445,626.38
  4. Step 4: Simplify right side
    7,709,449.13x = 47,302,232,883,658.53
  5. Step 5: Solve for x
    x = 47,302,232,883,658.53/7,709,449.13
  6. Step 6: Final answer
    x = 6,135,617.74

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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.