Home / 18,145,688.80-27,218,533.20-16,466,072.80

Finding the Fourth Proportional to 18,145,688.80, 27,218,533.20 and 16,466,072.80

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Solution

The fourth proportional to 18,145,688.80, 27,218,533.20 and 16,466,072.80 is: 24,699,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,688.80 : 27,218,533.20 = 16,466,072.80 : x
  2. Step 2: Convert to fraction form
    18,145,688.80/27,218,533.20 = 16,466,072.80/x
  3. Step 3: Cross multiply
    18,145,688.80x = 27,218,533.20 × 16,466,072.80
  4. Step 4: Simplify right side
    18,145,688.80x = 448,182,349,180,416.94
  5. Step 5: Solve for x
    x = 448,182,349,180,416.94/18,145,688.80
  6. Step 6: Final answer
    x = 24,699,109.20

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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.