Home / 7,729,144.72-10,666,016.76-4,291,297.36

Finding the Fourth Proportional to 7,729,144.72, 10,666,016.76 and 4,291,297.36

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Solution

The fourth proportional to 7,729,144.72, 10,666,016.76 and 4,291,297.36 is: 5,921,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,144.72 : 10,666,016.76 = 4,291,297.36 : x
  2. Step 2: Convert to fraction form
    7,729,144.72/10,666,016.76 = 4,291,297.36/x
  3. Step 3: Cross multiply
    7,729,144.72x = 10,666,016.76 × 4,291,297.36
  4. Step 4: Simplify right side
    7,729,144.72x = 45,771,049,563,903.76
  5. Step 5: Solve for x
    x = 45,771,049,563,903.76/7,729,144.72
  6. Step 6: Final answer
    x = 5,921,877.67

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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.