Home / 9,661,946.40-13,333,336.56-5,310,939.60

Finding the Fourth Proportional to 9,661,946.40, 13,333,336.56 and 5,310,939.60

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Solution

The fourth proportional to 9,661,946.40, 13,333,336.56 and 5,310,939.60 is: 7,329,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661,946.40 : 13,333,336.56 = 5,310,939.60 : x
  2. Step 2: Convert to fraction form
    9,661,946.40/13,333,336.56 = 5,310,939.60/x
  3. Step 3: Cross multiply
    9,661,946.40x = 13,333,336.56 × 5,310,939.60
  4. Step 4: Simplify right side
    9,661,946.40x = 70,812,545,136,631.78
  5. Step 5: Solve for x
    x = 70,812,545,136,631.78/9,661,946.40
  6. Step 6: Final answer
    x = 7,329,014.49

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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.