Home / 15,136,664.40-20,905,973.64-11,025,013.68

Finding the Fourth Proportional to 15,136,664.40, 20,905,973.64 and 11,025,013.68

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Solution

The fourth proportional to 15,136,664.40, 20,905,973.64 and 11,025,013.68 is: 15,227,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,664.40 : 20,905,973.64 = 11,025,013.68 : x
  2. Step 2: Convert to fraction form
    15,136,664.40/20,905,973.64 = 11,025,013.68/x
  3. Step 3: Cross multiply
    15,136,664.40x = 20,905,973.64 × 11,025,013.68
  4. Step 4: Simplify right side
    15,136,664.40x = 230,488,645,374,719.41
  5. Step 5: Solve for x
    x = 230,488,645,374,719.41/15,136,664.40
  6. Step 6: Final answer
    x = 15,227,175.50

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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.