Home / 9,069,177.72-12,500,878.32-6,128,076.64

Finding the Fourth Proportional to 9,069,177.72, 12,500,878.32 and 6,128,076.64

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Solution

The fourth proportional to 9,069,177.72, 12,500,878.32 and 6,128,076.64 is: 8,446,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069,177.72 : 12,500,878.32 = 6,128,076.64 : x
  2. Step 2: Convert to fraction form
    9,069,177.72/12,500,878.32 = 6,128,076.64/x
  3. Step 3: Cross multiply
    9,069,177.72x = 12,500,878.32 × 6,128,076.64
  4. Step 4: Simplify right side
    9,069,177.72x = 76,606,340,412,274.44
  5. Step 5: Solve for x
    x = 76,606,340,412,274.44/9,069,177.72
  6. Step 6: Final answer
    x = 8,446,889.32

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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.