Home / 8,128,054.56-11,217,079.44-4,643,698.08

Finding the Fourth Proportional to 8,128,054.56, 11,217,079.44 and 4,643,698.08

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Solution

The fourth proportional to 8,128,054.56, 11,217,079.44 and 4,643,698.08 is: 6,408,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,054.56 : 11,217,079.44 = 4,643,698.08 : x
  2. Step 2: Convert to fraction form
    8,128,054.56/11,217,079.44 = 4,643,698.08/x
  3. Step 3: Cross multiply
    8,128,054.56x = 11,217,079.44 × 4,643,698.08
  4. Step 4: Simplify right side
    8,128,054.56x = 52,088,730,258,735.48
  5. Step 5: Solve for x
    x = 52,088,730,258,735.48/8,128,054.56
  6. Step 6: Final answer
    x = 6,408,511.39

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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.