Home / 13,915,164.20-19,203,834.80-8,035,046.40

Finding the Fourth Proportional to 13,915,164.20, 19,203,834.80 and 8,035,046.40

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Solution

The fourth proportional to 13,915,164.20, 19,203,834.80 and 8,035,046.40 is: 11,088,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915,164.20 : 19,203,834.80 = 8,035,046.40 : x
  2. Step 2: Convert to fraction form
    13,915,164.20/19,203,834.80 = 8,035,046.40/x
  3. Step 3: Cross multiply
    13,915,164.20x = 19,203,834.80 × 8,035,046.40
  4. Step 4: Simplify right side
    13,915,164.20x = 154,303,703,675,934.72
  5. Step 5: Solve for x
    x = 154,303,703,675,934.72/13,915,164.20
  6. Step 6: Final answer
    x = 11,088,888.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.