Home / 14,435,128.74-19,920,477.20-7,909,005.44

Finding the Fourth Proportional to 14,435,128.74, 19,920,477.20 and 7,909,005.44

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Solution

The fourth proportional to 14,435,128.74, 19,920,477.20 and 7,909,005.44 is: 10,914,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435,128.74 : 19,920,477.20 = 7,909,005.44 : x
  2. Step 2: Convert to fraction form
    14,435,128.74/19,920,477.20 = 7,909,005.44/x
  3. Step 3: Cross multiply
    14,435,128.74x = 19,920,477.20 × 7,909,005.44
  4. Step 4: Simplify right side
    14,435,128.74x = 157,551,162,542,195.97
  5. Step 5: Solve for x
    x = 157,551,162,542,195.97/14,435,128.74
  6. Step 6: Final answer
    x = 10,914,427.25

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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.