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Finding the Fourth Proportional to 18,205,499.08, 25,123,959.08 and 9,946,096.32

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Solution

The fourth proportional to 18,205,499.08, 25,123,959.08 and 9,946,096.32 is: 13,725,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,499.08 : 25,123,959.08 = 9,946,096.32 : x
  2. Step 2: Convert to fraction form
    18,205,499.08/25,123,959.08 = 9,946,096.32/x
  3. Step 3: Cross multiply
    18,205,499.08x = 25,123,959.08 × 9,946,096.32
  4. Step 4: Simplify right side
    18,205,499.08x = 249,885,316,949,418.56
  5. Step 5: Solve for x
    x = 249,885,316,949,418.56/18,205,499.08
  6. Step 6: Final answer
    x = 13,725,815.25

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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.