Home / 8,718,259.20-12,032,862.96-5,772,884.15

Finding the Fourth Proportional to 8,718,259.20, 12,032,862.96 and 5,772,884.15

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Solution

The fourth proportional to 8,718,259.20, 12,032,862.96 and 5,772,884.15 is: 7,967,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,259.20 : 12,032,862.96 = 5,772,884.15 : x
  2. Step 2: Convert to fraction form
    8,718,259.20/12,032,862.96 = 5,772,884.15/x
  3. Step 3: Cross multiply
    8,718,259.20x = 12,032,862.96 × 5,772,884.15
  4. Step 4: Simplify right side
    8,718,259.20x = 69,464,323,800,741.77
  5. Step 5: Solve for x
    x = 69,464,323,800,741.77/8,718,259.20
  6. Step 6: Final answer
    x = 7,967,682.79

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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.