Home / 8,560,905.88-12,854,167.66-7,411,706.50

Finding the Fourth Proportional to 8,560,905.88, 12,854,167.66 and 7,411,706.50

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Solution

The fourth proportional to 8,560,905.88, 12,854,167.66 and 7,411,706.50 is: 11,128,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560,905.88 : 12,854,167.66 = 7,411,706.50 : x
  2. Step 2: Convert to fraction form
    8,560,905.88/12,854,167.66 = 7,411,706.50/x
  3. Step 3: Cross multiply
    8,560,905.88x = 12,854,167.66 × 7,411,706.50
  4. Step 4: Simplify right side
    8,560,905.88x = 95,271,317,997,711.80
  5. Step 5: Solve for x
    x = 95,271,317,997,711.80/8,560,905.88
  6. Step 6: Final answer
    x = 11,128,649.16

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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.