Home / 13,590,943.59-20,362,500.54-12,781,824.87

Finding the Fourth Proportional to 13,590,943.59, 20,362,500.54 and 12,781,824.87

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Solution

The fourth proportional to 13,590,943.59, 20,362,500.54 and 12,781,824.87 is: 19,150,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,943.59 : 20,362,500.54 = 12,781,824.87 : x
  2. Step 2: Convert to fraction form
    13,590,943.59/20,362,500.54 = 12,781,824.87/x
  3. Step 3: Cross multiply
    13,590,943.59x = 20,362,500.54 × 12,781,824.87
  4. Step 4: Simplify right side
    13,590,943.59x = 260,269,915,817,560.41
  5. Step 5: Solve for x
    x = 260,269,915,817,560.41/13,590,943.59
  6. Step 6: Final answer
    x = 19,150,246.20

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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.