Home / 14,028,142.95-21,048,276.36-7,543,639.15

Finding the Fourth Proportional to 14,028,142.95, 21,048,276.36 and 7,543,639.15

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Solution

The fourth proportional to 14,028,142.95, 21,048,276.36 and 7,543,639.15 is: 11,318,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028,142.95 : 21,048,276.36 = 7,543,639.15 : x
  2. Step 2: Convert to fraction form
    14,028,142.95/21,048,276.36 = 7,543,639.15/x
  3. Step 3: Cross multiply
    14,028,142.95x = 21,048,276.36 × 7,543,639.15
  4. Step 4: Simplify right side
    14,028,142.95x = 158,780,601,564,983.44
  5. Step 5: Solve for x
    x = 158,780,601,564,983.44/14,028,142.95
  6. Step 6: Final answer
    x = 11,318,718.53

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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.