Home / 14,340,123.42-21,516,542.48-7,515,073.95

Finding the Fourth Proportional to 14,340,123.42, 21,516,542.48 and 7,515,073.95

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Solution

The fourth proportional to 14,340,123.42, 21,516,542.48 and 7,515,073.95 is: 11,275,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340,123.42 : 21,516,542.48 = 7,515,073.95 : x
  2. Step 2: Convert to fraction form
    14,340,123.42/21,516,542.48 = 7,515,073.95/x
  3. Step 3: Cross multiply
    14,340,123.42x = 21,516,542.48 × 7,515,073.95
  4. Step 4: Simplify right side
    14,340,123.42x = 161,698,407,885,516.41
  5. Step 5: Solve for x
    x = 161,698,407,885,516.41/14,340,123.42
  6. Step 6: Final answer
    x = 11,275,942.55

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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.