Home / 9,661,928.40-13,333,311.54-5,310,921.42

Finding the Fourth Proportional to 9,661,928.40, 13,333,311.54 and 5,310,921.42

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Solution

The fourth proportional to 9,661,928.40, 13,333,311.54 and 5,310,921.42 is: 7,328,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661,928.40 : 13,333,311.54 = 5,310,921.42 : x
  2. Step 2: Convert to fraction form
    9,661,928.40/13,333,311.54 = 5,310,921.42/x
  3. Step 3: Cross multiply
    9,661,928.40x = 13,333,311.54 × 5,310,921.42
  4. Step 4: Simplify right side
    9,661,928.40x = 70,812,169,857,319.19
  5. Step 5: Solve for x
    x = 70,812,169,857,319.19/9,661,928.40
  6. Step 6: Final answer
    x = 7,328,989.30

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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.