Home / 18,669,989.70-28,004,984.55-16,430,501.70

Finding the Fourth Proportional to 18,669,989.70, 28,004,984.55 and 16,430,501.70

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Solution

The fourth proportional to 18,669,989.70, 28,004,984.55 and 16,430,501.70 is: 24,645,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669,989.70 : 28,004,984.55 = 16,430,501.70 : x
  2. Step 2: Convert to fraction form
    18,669,989.70/28,004,984.55 = 16,430,501.70/x
  3. Step 3: Cross multiply
    18,669,989.70x = 28,004,984.55 × 16,430,501.70
  4. Step 4: Simplify right side
    18,669,989.70x = 460,135,946,257,248.75
  5. Step 5: Solve for x
    x = 460,135,946,257,248.75/18,669,989.70
  6. Step 6: Final answer
    x = 24,645,752.55

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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.