Home / 12,071,289.87-18,114,911.28-5,683,369.05

Finding the Fourth Proportional to 12,071,289.87, 18,114,911.28 and 5,683,369.05

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Solution

The fourth proportional to 12,071,289.87, 18,114,911.28 and 5,683,369.05 is: 8,528,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,289.87 : 18,114,911.28 = 5,683,369.05 : x
  2. Step 2: Convert to fraction form
    12,071,289.87/18,114,911.28 = 5,683,369.05/x
  3. Step 3: Cross multiply
    12,071,289.87x = 18,114,911.28 × 5,683,369.05
  4. Step 4: Simplify right side
    12,071,289.87x = 102,953,726,112,247.89
  5. Step 5: Solve for x
    x = 102,953,726,112,247.89/12,071,289.87
  6. Step 6: Final answer
    x = 8,528,809.04

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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.