Home / 10,071,028.90-15,106,543.35-8,701,092.10

Finding the Fourth Proportional to 10,071,028.90, 15,106,543.35 and 8,701,092.10

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Solution

The fourth proportional to 10,071,028.90, 15,106,543.35 and 8,701,092.10 is: 13,051,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,028.90 : 15,106,543.35 = 8,701,092.10 : x
  2. Step 2: Convert to fraction form
    10,071,028.90/15,106,543.35 = 8,701,092.10/x
  3. Step 3: Cross multiply
    10,071,028.90x = 15,106,543.35 × 8,701,092.10
  4. Step 4: Simplify right side
    10,071,028.90x = 131,443,425,000,992.53
  5. Step 5: Solve for x
    x = 131,443,425,000,992.53/10,071,028.90
  6. Step 6: Final answer
    x = 13,051,638.15

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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.