Home / 15,415,627.72-21,268,329.04-8,795,460.32

Finding the Fourth Proportional to 15,415,627.72, 21,268,329.04 and 8,795,460.32

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Solution

The fourth proportional to 15,415,627.72, 21,268,329.04 and 8,795,460.32 is: 12,134,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,627.72 : 21,268,329.04 = 8,795,460.32 : x
  2. Step 2: Convert to fraction form
    15,415,627.72/21,268,329.04 = 8,795,460.32/x
  3. Step 3: Cross multiply
    15,415,627.72x = 21,268,329.04 × 8,795,460.32
  4. Step 4: Simplify right side
    15,415,627.72x = 187,064,744,037,682.03
  5. Step 5: Solve for x
    x = 187,064,744,037,682.03/15,415,627.72
  6. Step 6: Final answer
    x = 12,134,747.12

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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.