Home / 8,678,054.29-13,019,518.73-3,213,066.91

Finding the Fourth Proportional to 8,678,054.29, 13,019,518.73 and 3,213,066.91

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Solution

The fourth proportional to 8,678,054.29, 13,019,518.73 and 3,213,066.91 is: 4,820,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,054.29 : 13,019,518.73 = 3,213,066.91 : x
  2. Step 2: Convert to fraction form
    8,678,054.29/13,019,518.73 = 3,213,066.91/x
  3. Step 3: Cross multiply
    8,678,054.29x = 13,019,518.73 × 3,213,066.91
  4. Step 4: Simplify right side
    8,678,054.29x = 41,832,584,815,488.23
  5. Step 5: Solve for x
    x = 41,832,584,815,488.23/8,678,054.29
  6. Step 6: Final answer
    x = 4,820,502.78

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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.