Home / 13,990,339.76-20,989,402.93-6,103,784.79

Finding the Fourth Proportional to 13,990,339.76, 20,989,402.93 and 6,103,784.79

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Solution

The fourth proportional to 13,990,339.76, 20,989,402.93 and 6,103,784.79 is: 9,157,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990,339.76 : 20,989,402.93 = 6,103,784.79 : x
  2. Step 2: Convert to fraction form
    13,990,339.76/20,989,402.93 = 6,103,784.79/x
  3. Step 3: Cross multiply
    13,990,339.76x = 20,989,402.93 × 6,103,784.79
  4. Step 4: Simplify right side
    13,990,339.76x = 128,114,798,362,945.16
  5. Step 5: Solve for x
    x = 128,114,798,362,945.16/13,990,339.76
  6. Step 6: Final answer
    x = 9,157,375.78

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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.