Home / 13,302,782.10-19,957,125.60-6,112,582.20

Finding the Fourth Proportional to 13,302,782.10, 19,957,125.60 and 6,112,582.20

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Solution

The fourth proportional to 13,302,782.10, 19,957,125.60 and 6,112,582.20 is: 9,170,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,782.10 : 19,957,125.60 = 6,112,582.20 : x
  2. Step 2: Convert to fraction form
    13,302,782.10/19,957,125.60 = 6,112,582.20/x
  3. Step 3: Cross multiply
    13,302,782.10x = 19,957,125.60 × 6,112,582.20
  4. Step 4: Simplify right side
    13,302,782.10x = 121,989,570,705,724.33
  5. Step 5: Solve for x
    x = 121,989,570,705,724.33/13,302,782.10
  6. Step 6: Final answer
    x = 9,170,229.94

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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.