Home / 8,048,638.90-12,069,459.15-2,655,205.30

Finding the Fourth Proportional to 8,048,638.90, 12,069,459.15 and 2,655,205.30

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Solution

The fourth proportional to 8,048,638.90, 12,069,459.15 and 2,655,205.30 is: 3,981,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048,638.90 : 12,069,459.15 = 2,655,205.30 : x
  2. Step 2: Convert to fraction form
    8,048,638.90/12,069,459.15 = 2,655,205.30/x
  3. Step 3: Cross multiply
    8,048,638.90x = 12,069,459.15 × 2,655,205.30
  4. Step 4: Simplify right side
    8,048,638.90x = 32,046,891,903,213.49
  5. Step 5: Solve for x
    x = 32,046,891,903,213.49/8,048,638.90
  6. Step 6: Final answer
    x = 3,981,653.58

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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.