Home / 7,303,815.47-10,078,389.09-4,207,351.52

Finding the Fourth Proportional to 7,303,815.47, 10,078,389.09 and 4,207,351.52

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Solution

The fourth proportional to 7,303,815.47, 10,078,389.09 and 4,207,351.52 is: 5,805,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303,815.47 : 10,078,389.09 = 4,207,351.52 : x
  2. Step 2: Convert to fraction form
    7,303,815.47/10,078,389.09 = 4,207,351.52/x
  3. Step 3: Cross multiply
    7,303,815.47x = 10,078,389.09 × 4,207,351.52
  4. Step 4: Simplify right side
    7,303,815.47x = 42,403,325,656,962.91
  5. Step 5: Solve for x
    x = 42,403,325,656,962.91/7,303,815.47
  6. Step 6: Final answer
    x = 5,805,640.33

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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.