Home / 9,720,289.55-13,414,406.83-5,590,323.49

Finding the Fourth Proportional to 9,720,289.55, 13,414,406.83 and 5,590,323.49

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Solution

The fourth proportional to 9,720,289.55, 13,414,406.83 and 5,590,323.49 is: 7,714,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,289.55 : 13,414,406.83 = 5,590,323.49 : x
  2. Step 2: Convert to fraction form
    9,720,289.55/13,414,406.83 = 5,590,323.49/x
  3. Step 3: Cross multiply
    9,720,289.55x = 13,414,406.83 × 5,590,323.49
  4. Step 4: Simplify right side
    9,720,289.55x = 74,990,873,606,165.44
  5. Step 5: Solve for x
    x = 74,990,873,606,165.44/9,720,289.55
  6. Step 6: Final answer
    x = 7,714,880.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.