Home / 14,028,143.95-21,048,277.86-7,543,640.15

Finding the Fourth Proportional to 14,028,143.95, 21,048,277.86 and 7,543,640.15

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Solution

The fourth proportional to 14,028,143.95, 21,048,277.86 and 7,543,640.15 is: 11,318,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028,143.95 : 21,048,277.86 = 7,543,640.15 : x
  2. Step 2: Convert to fraction form
    14,028,143.95/21,048,277.86 = 7,543,640.15/x
  3. Step 3: Cross multiply
    14,028,143.95x = 21,048,277.86 × 7,543,640.15
  4. Step 4: Simplify right side
    14,028,143.95x = 158,780,633,953,052.09
  5. Step 5: Solve for x
    x = 158,780,633,953,052.09/14,028,143.95
  6. Step 6: Final answer
    x = 11,318,720.03

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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.