Home / 8,192,864.14-12,290,881.65-3,143,782.06

Finding the Fourth Proportional to 8,192,864.14, 12,290,881.65 and 3,143,782.06

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Solution

The fourth proportional to 8,192,864.14, 12,290,881.65 and 3,143,782.06 is: 4,716,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192,864.14 : 12,290,881.65 = 3,143,782.06 : x
  2. Step 2: Convert to fraction form
    8,192,864.14/12,290,881.65 = 3,143,782.06/x
  3. Step 3: Cross multiply
    8,192,864.14x = 12,290,881.65 × 3,143,782.06
  4. Step 4: Simplify right side
    8,192,864.14x = 38,639,853,232,853.20
  5. Step 5: Solve for x
    x = 38,639,853,232,853.20/8,192,864.14
  6. Step 6: Final answer
    x = 4,716,281.46

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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.