Home / 10,120,415.16-13,965,933.42-5,536,774.20

Finding the Fourth Proportional to 10,120,415.16, 13,965,933.42 and 5,536,774.20

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Solution

The fourth proportional to 10,120,415.16, 13,965,933.42 and 5,536,774.20 is: 7,640,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,415.16 : 13,965,933.42 = 5,536,774.20 : x
  2. Step 2: Convert to fraction form
    10,120,415.16/13,965,933.42 = 5,536,774.20/x
  3. Step 3: Cross multiply
    10,120,415.16x = 13,965,933.42 × 5,536,774.20
  4. Step 4: Simplify right side
    10,120,415.16x = 77,326,219,838,773.77
  5. Step 5: Solve for x
    x = 77,326,219,838,773.77/10,120,415.16
  6. Step 6: Final answer
    x = 7,640,617.37

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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.