Home / 6,778,083.82-10,168,847.99-1,920,385.03

Finding the Fourth Proportional to 6,778,083.82, 10,168,847.99 and 1,920,385.03

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Solution

The fourth proportional to 6,778,083.82, 10,168,847.99 and 1,920,385.03 is: 2,881,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778,083.82 : 10,168,847.99 = 1,920,385.03 : x
  2. Step 2: Convert to fraction form
    6,778,083.82/10,168,847.99 = 1,920,385.03/x
  3. Step 3: Cross multiply
    6,778,083.82x = 10,168,847.99 × 1,920,385.03
  4. Step 4: Simplify right side
    6,778,083.82x = 19,528,103,424,518.99
  5. Step 5: Solve for x
    x = 19,528,103,424,518.99/6,778,083.82
  6. Step 6: Final answer
    x = 2,881,065.50

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1.5x scale

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.