Home / 7,772,719.96-10,720,799.58-6,738,378.22

Finding the Fourth Proportional to 7,772,719.96, 10,720,799.58 and 6,738,378.22

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Solution

The fourth proportional to 7,772,719.96, 10,720,799.58 and 6,738,378.22 is: 9,294,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,719.96 : 10,720,799.58 = 6,738,378.22 : x
  2. Step 2: Convert to fraction form
    7,772,719.96/10,720,799.58 = 6,738,378.22/x
  3. Step 3: Cross multiply
    7,772,719.96x = 10,720,799.58 × 6,738,378.22
  4. Step 4: Simplify right side
    7,772,719.96x = 72,240,802,390,857.14
  5. Step 5: Solve for x
    x = 72,240,802,390,857.14/7,772,719.96
  6. Step 6: Final answer
    x = 9,294,147.06

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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.