Home / 18,683,460.65-28,025,190.98-16,793,892.65

Finding the Fourth Proportional to 18,683,460.65, 28,025,190.98 and 16,793,892.65

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Solution

The fourth proportional to 18,683,460.65, 28,025,190.98 and 16,793,892.65 is: 25,190,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,460.65 : 28,025,190.98 = 16,793,892.65 : x
  2. Step 2: Convert to fraction form
    18,683,460.65/28,025,190.98 = 16,793,892.65/x
  3. Step 3: Cross multiply
    18,683,460.65x = 28,025,190.98 × 16,793,892.65
  4. Step 4: Simplify right side
    18,683,460.65x = 470,652,048,729,898.81
  5. Step 5: Solve for x
    x = 470,652,048,729,898.81/18,683,460.65
  6. Step 6: Final answer
    x = 25,190,838.98

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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.