Home / 13,516,340.38-20,332,045.08-12,252,192.42

Finding the Fourth Proportional to 13,516,340.38, 20,332,045.08 and 12,252,192.42

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Solution

The fourth proportional to 13,516,340.38, 20,332,045.08 and 12,252,192.42 is: 18,430,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,340.38 : 20,332,045.08 = 12,252,192.42 : x
  2. Step 2: Convert to fraction form
    13,516,340.38/20,332,045.08 = 12,252,192.42/x
  3. Step 3: Cross multiply
    13,516,340.38x = 20,332,045.08 × 12,252,192.42
  4. Step 4: Simplify right side
    13,516,340.38x = 249,112,128,612,274.28
  5. Step 5: Solve for x
    x = 249,112,128,612,274.28/13,516,340.38
  6. Step 6: Final answer
    x = 18,430,442.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.