Home / 7,676,639.83-11,518,944.95-3,131,023.51

Finding the Fourth Proportional to 7,676,639.83, 11,518,944.95 and 3,131,023.51

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Solution

The fourth proportional to 7,676,639.83, 11,518,944.95 and 3,131,023.51 is: 4,698,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676,639.83 : 11,518,944.95 = 3,131,023.51 : x
  2. Step 2: Convert to fraction form
    7,676,639.83/11,518,944.95 = 3,131,023.51/x
  3. Step 3: Cross multiply
    7,676,639.83x = 11,518,944.95 × 3,131,023.51
  4. Step 4: Simplify right side
    7,676,639.83x = 36,066,087,448,845.77
  5. Step 5: Solve for x
    x = 36,066,087,448,845.77/7,676,639.83
  6. Step 6: Final answer
    x = 4,698,160.69

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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.