Home / 14,014,749.15-21,022,123.73-13,731,313.95

Finding the Fourth Proportional to 14,014,749.15, 21,022,123.73 and 13,731,313.95

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Solution

The fourth proportional to 14,014,749.15, 21,022,123.73 and 13,731,313.95 is: 20,596,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,749.15 : 21,022,123.73 = 13,731,313.95 : x
  2. Step 2: Convert to fraction form
    14,014,749.15/21,022,123.73 = 13,731,313.95/x
  3. Step 3: Cross multiply
    14,014,749.15x = 21,022,123.73 × 13,731,313.95
  4. Step 4: Simplify right side
    14,014,749.15x = 288,661,380,832,375
  5. Step 5: Solve for x
    x = 288,661,380,832,375/14,014,749.15
  6. Step 6: Final answer
    x = 20,596,970.93

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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.