Home / 8,072,400.64-11,139,999.76-4,401,287.20

Finding the Fourth Proportional to 8,072,400.64, 11,139,999.76 and 4,401,287.20

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Solution

The fourth proportional to 8,072,400.64, 11,139,999.76 and 4,401,287.20 is: 6,073,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,400.64 : 11,139,999.76 = 4,401,287.20 : x
  2. Step 2: Convert to fraction form
    8,072,400.64/11,139,999.76 = 4,401,287.20/x
  3. Step 3: Cross multiply
    8,072,400.64x = 11,139,999.76 × 4,401,287.20
  4. Step 4: Simplify right side
    8,072,400.64x = 49,030,338,351,691.07
  5. Step 5: Solve for x
    x = 49,030,338,351,691.07/8,072,400.64
  6. Step 6: Final answer
    x = 6,073,823.70

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1.5x scale

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.