Home / 7,768,012.20-10,721,119.54-4,673,663.16

Finding the Fourth Proportional to 7,768,012.20, 10,721,119.54 and 4,673,663.16

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Solution

The fourth proportional to 7,768,012.20, 10,721,119.54 and 4,673,663.16 is: 6,450,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,012.20 : 10,721,119.54 = 4,673,663.16 : x
  2. Step 2: Convert to fraction form
    7,768,012.20/10,721,119.54 = 4,673,663.16/x
  3. Step 3: Cross multiply
    7,768,012.20x = 10,721,119.54 × 4,673,663.16
  4. Step 4: Simplify right side
    7,768,012.20x = 50,106,901,428,054.14
  5. Step 5: Solve for x
    x = 50,106,901,428,054.14/7,768,012.20
  6. Step 6: Final answer
    x = 6,450,414.87

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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.