Home / 7,920,354.96-11,885,530.14-3,371,396.48

Finding the Fourth Proportional to 7,920,354.96, 11,885,530.14 and 3,371,396.48

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Solution

The fourth proportional to 7,920,354.96, 11,885,530.14 and 3,371,396.48 is: 5,059,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,354.96 : 11,885,530.14 = 3,371,396.48 : x
  2. Step 2: Convert to fraction form
    7,920,354.96/11,885,530.14 = 3,371,396.48/x
  3. Step 3: Cross multiply
    7,920,354.96x = 11,885,530.14 × 3,371,396.48
  4. Step 4: Simplify right side
    7,920,354.96x = 40,070,834,462,072.99
  5. Step 5: Solve for x
    x = 40,070,834,462,072.99/7,920,354.96
  6. Step 6: Final answer
    x = 5,059,222.05

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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.