Home / 8,507,886.47-11,741,023.27-4,640,407.66

Finding the Fourth Proportional to 8,507,886.47, 11,741,023.27 and 4,640,407.66

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Solution

The fourth proportional to 8,507,886.47, 11,741,023.27 and 4,640,407.66 is: 6,403,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,886.47 : 11,741,023.27 = 4,640,407.66 : x
  2. Step 2: Convert to fraction form
    8,507,886.47/11,741,023.27 = 4,640,407.66/x
  3. Step 3: Cross multiply
    8,507,886.47x = 11,741,023.27 × 4,640,407.66
  4. Step 4: Simplify right side
    8,507,886.47x = 54,483,134,259,641.13
  5. Step 5: Solve for x
    x = 54,483,134,259,641.13/8,507,886.47
  6. Step 6: Final answer
    x = 6,403,838.90

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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.