Home / 8,611,347.62-11,895,746.74-8,157,851.30

Finding the Fourth Proportional to 8,611,347.62, 11,895,746.74 and 8,157,851.30

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Solution

The fourth proportional to 8,611,347.62, 11,895,746.74 and 8,157,851.30 is: 11,269,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,347.62 : 11,895,746.74 = 8,157,851.30 : x
  2. Step 2: Convert to fraction form
    8,611,347.62/11,895,746.74 = 8,157,851.30/x
  3. Step 3: Cross multiply
    8,611,347.62x = 11,895,746.74 × 8,157,851.30
  4. Step 4: Simplify right side
    8,611,347.62x = 97,043,733,007,379.77
  5. Step 5: Solve for x
    x = 97,043,733,007,379.77/8,611,347.62
  6. Step 6: Final answer
    x = 11,269,285.28

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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.