Home / 6,407,729.83-9,612,178.76-2,088,671.45

Finding the Fourth Proportional to 6,407,729.83, 9,612,178.76 and 2,088,671.45

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Solution

The fourth proportional to 6,407,729.83, 9,612,178.76 and 2,088,671.45 is: 3,133,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407,729.83 : 9,612,178.76 = 2,088,671.45 : x
  2. Step 2: Convert to fraction form
    6,407,729.83/9,612,178.76 = 2,088,671.45/x
  3. Step 3: Cross multiply
    6,407,729.83x = 9,612,178.76 × 2,088,671.45
  4. Step 4: Simplify right side
    6,407,729.83x = 20,076,683,337,865.05
  5. Step 5: Solve for x
    x = 20,076,683,337,865.05/6,407,729.83
  6. Step 6: Final answer
    x = 3,133,197.54

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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.