Home / 9,190,989.36-12,683,068.56-5,060,216.16

Finding the Fourth Proportional to 9,190,989.36, 12,683,068.56 and 5,060,216.16

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Solution

The fourth proportional to 9,190,989.36, 12,683,068.56 and 5,060,216.16 is: 6,982,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190,989.36 : 12,683,068.56 = 5,060,216.16 : x
  2. Step 2: Convert to fraction form
    9,190,989.36/12,683,068.56 = 5,060,216.16/x
  3. Step 3: Cross multiply
    9,190,989.36x = 12,683,068.56 × 5,060,216.16
  4. Step 4: Simplify right side
    9,190,989.36x = 64,179,068,485,699.94
  5. Step 5: Solve for x
    x = 64,179,068,485,699.94/9,190,989.36
  6. Step 6: Final answer
    x = 6,982,824.81

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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.