Home / 8,078,491.84-12,118,383.04-2,686,947.52

Finding the Fourth Proportional to 8,078,491.84, 12,118,383.04 and 2,686,947.52

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Solution

The fourth proportional to 8,078,491.84, 12,118,383.04 and 2,686,947.52 is: 4,030,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,491.84 : 12,118,383.04 = 2,686,947.52 : x
  2. Step 2: Convert to fraction form
    8,078,491.84/12,118,383.04 = 2,686,947.52/x
  3. Step 3: Cross multiply
    8,078,491.84x = 12,118,383.04 × 2,686,947.52
  4. Step 4: Simplify right side
    8,078,491.84x = 32,561,459,255,738.06
  5. Step 5: Solve for x
    x = 32,561,459,255,738.06/8,078,491.84
  6. Step 6: Final answer
    x = 4,030,635.90

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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.