Home / 7,682,577.77-11,520,454.89-4,087,587.17

Finding the Fourth Proportional to 7,682,577.77, 11,520,454.89 and 4,087,587.17

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Solution

The fourth proportional to 7,682,577.77, 11,520,454.89 and 4,087,587.17 is: 6,129,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682,577.77 : 11,520,454.89 = 4,087,587.17 : x
  2. Step 2: Convert to fraction form
    7,682,577.77/11,520,454.89 = 4,087,587.17/x
  3. Step 3: Cross multiply
    7,682,577.77x = 11,520,454.89 × 4,087,587.17
  4. Step 4: Simplify right side
    7,682,577.77x = 47,090,863,600,927.77
  5. Step 5: Solve for x
    x = 47,090,863,600,927.77/7,682,577.77
  6. Step 6: Final answer
    x = 6,129,565.49

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Double scale
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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.