Home / 13,642,340.22-18,829,594.62-8,996,963.58

Finding the Fourth Proportional to 13,642,340.22, 18,829,594.62 and 8,996,963.58

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Solution

The fourth proportional to 13,642,340.22, 18,829,594.62 and 8,996,963.58 is: 12,417,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,340.22 : 18,829,594.62 = 8,996,963.58 : x
  2. Step 2: Convert to fraction form
    13,642,340.22/18,829,594.62 = 8,996,963.58/x
  3. Step 3: Cross multiply
    13,642,340.22x = 18,829,594.62 × 8,996,963.58
  4. Step 4: Simplify right side
    13,642,340.22x = 169,409,177,022,303.94
  5. Step 5: Solve for x
    x = 169,409,177,022,303.94/13,642,340.22
  6. Step 6: Final answer
    x = 12,417,897.10

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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.