Home / 13,094,679.81-18,070,663.40-7,591,245.38

Finding the Fourth Proportional to 13,094,679.81, 18,070,663.40 and 7,591,245.38

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Solution

The fourth proportional to 13,094,679.81, 18,070,663.40 and 7,591,245.38 is: 10,475,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094,679.81 : 18,070,663.40 = 7,591,245.38 : x
  2. Step 2: Convert to fraction form
    13,094,679.81/18,070,663.40 = 7,591,245.38/x
  3. Step 3: Cross multiply
    13,094,679.81x = 18,070,663.40 × 7,591,245.38
  4. Step 4: Simplify right side
    13,094,679.81x = 137,178,839,920,475.55
  5. Step 5: Solve for x
    x = 137,178,839,920,475.55/13,094,679.81
  6. Step 6: Final answer
    x = 10,475,921.67

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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.