Home / 10,200,832-14,077,148.16-5,617,142.44

Finding the Fourth Proportional to 10,200,832, 14,077,148.16 and 5,617,142.44

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Solution

The fourth proportional to 10,200,832, 14,077,148.16 and 5,617,142.44 is: 7,751,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200,832 : 14,077,148.16 = 5,617,142.44 : x
  2. Step 2: Convert to fraction form
    10,200,832/14,077,148.16 = 5,617,142.44/x
  3. Step 3: Cross multiply
    10,200,832x = 14,077,148.16 × 5,617,142.44
  4. Step 4: Simplify right side
    10,200,832x = 79,073,346,363,703.92
  5. Step 5: Solve for x
    x = 79,073,346,363,703.92/10,200,832
  6. Step 6: Final answer
    x = 7,751,656.57

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1.5x scale

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.