Home / 13,391,569.52-20,089,939.80-5,715,102.32

Finding the Fourth Proportional to 13,391,569.52, 20,089,939.80 and 5,715,102.32

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Solution

The fourth proportional to 13,391,569.52, 20,089,939.80 and 5,715,102.32 is: 8,573,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,569.52 : 20,089,939.80 = 5,715,102.32 : x
  2. Step 2: Convert to fraction form
    13,391,569.52/20,089,939.80 = 5,715,102.32/x
  3. Step 3: Cross multiply
    13,391,569.52x = 20,089,939.80 × 5,715,102.32
  4. Step 4: Simplify right side
    13,391,569.52x = 114,816,061,559,640.34
  5. Step 5: Solve for x
    x = 114,816,061,559,640.34/13,391,569.52
  6. Step 6: Final answer
    x = 8,573,756.90

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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.