Home / 6,768,005.40-9,339,783.30-3,712,231.80

Finding the Fourth Proportional to 6,768,005.40, 9,339,783.30 and 3,712,231.80

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Solution

The fourth proportional to 6,768,005.40, 9,339,783.30 and 3,712,231.80 is: 5,122,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768,005.40 : 9,339,783.30 = 3,712,231.80 : x
  2. Step 2: Convert to fraction form
    6,768,005.40/9,339,783.30 = 3,712,231.80/x
  3. Step 3: Cross multiply
    6,768,005.40x = 9,339,783.30 × 3,712,231.80
  4. Step 4: Simplify right side
    6,768,005.40x = 34,671,440,571,368.94
  5. Step 5: Solve for x
    x = 34,671,440,571,368.94/6,768,005.40
  6. Step 6: Final answer
    x = 5,122,844.70

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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.