Home / 14,840,517.15-20,478,880.01-8,225,040.84

Finding the Fourth Proportional to 14,840,517.15, 20,478,880.01 and 8,225,040.84

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Solution

The fourth proportional to 14,840,517.15, 20,478,880.01 and 8,225,040.84 is: 11,349,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840,517.15 : 20,478,880.01 = 8,225,040.84 : x
  2. Step 2: Convert to fraction form
    14,840,517.15/20,478,880.01 = 8,225,040.84/x
  3. Step 3: Cross multiply
    14,840,517.15x = 20,478,880.01 × 8,225,040.84
  4. Step 4: Simplify right side
    14,840,517.15x = 168,439,624,398,584.41
  5. Step 5: Solve for x
    x = 168,439,624,398,584.41/14,840,517.15
  6. Step 6: Final answer
    x = 11,349,983.47

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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.