Home / 10,071,029.40-15,106,544.10-8,701,092.60

Finding the Fourth Proportional to 10,071,029.40, 15,106,544.10 and 8,701,092.60

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Solution

The fourth proportional to 10,071,029.40, 15,106,544.10 and 8,701,092.60 is: 13,051,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,029.40 : 15,106,544.10 = 8,701,092.60 : x
  2. Step 2: Convert to fraction form
    10,071,029.40/15,106,544.10 = 8,701,092.60/x
  3. Step 3: Cross multiply
    10,071,029.40x = 15,106,544.10 × 8,701,092.60
  4. Step 4: Simplify right side
    10,071,029.40x = 131,443,439,080,083.66
  5. Step 5: Solve for x
    x = 131,443,439,080,083.66/10,071,029.40
  6. Step 6: Final answer
    x = 13,051,638.90

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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.