Home / 14,784,688.62-20,422,840.23-11,141,146.62

Finding the Fourth Proportional to 14,784,688.62, 20,422,840.23 and 11,141,146.62

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Solution

The fourth proportional to 14,784,688.62, 20,422,840.23 and 11,141,146.62 is: 15,389,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784,688.62 : 20,422,840.23 = 11,141,146.62 : x
  2. Step 2: Convert to fraction form
    14,784,688.62/20,422,840.23 = 11,141,146.62/x
  3. Step 3: Cross multiply
    14,784,688.62x = 20,422,840.23 × 11,141,146.62
  4. Step 4: Simplify right side
    14,784,688.62x = 227,533,857,399,264.50
  5. Step 5: Solve for x
    x = 227,533,857,399,264.50/14,784,688.62
  6. Step 6: Final answer
    x = 15,389,830.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.