Home / 8,642,954.17-11,927,252.27-4,775,447.78

Finding the Fourth Proportional to 8,642,954.17, 11,927,252.27 and 4,775,447.78

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Solution

The fourth proportional to 8,642,954.17, 11,927,252.27 and 4,775,447.78 is: 6,590,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,954.17 : 11,927,252.27 = 4,775,447.78 : x
  2. Step 2: Convert to fraction form
    8,642,954.17/11,927,252.27 = 4,775,447.78/x
  3. Step 3: Cross multiply
    8,642,954.17x = 11,927,252.27 × 4,775,447.78
  4. Step 4: Simplify right side
    8,642,954.17x = 56,957,970,299,711.93
  5. Step 5: Solve for x
    x = 56,957,970,299,711.93/8,642,954.17
  6. Step 6: Final answer
    x = 6,590,104.40

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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.