Home / 40,082,543.38-60,122,763.23-12,790,501.55

Finding the Fourth Proportional to 40,082,543.38, 60,122,763.23 and 12,790,501.55

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Solution

The fourth proportional to 40,082,543.38, 60,122,763.23 and 12,790,501.55 is: 19,185,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,082,543.38 : 60,122,763.23 = 12,790,501.55 : x
  2. Step 2: Convert to fraction form
    40,082,543.38/60,122,763.23 = 12,790,501.55/x
  3. Step 3: Cross multiply
    40,082,543.38x = 60,122,763.23 × 12,790,501.55
  4. Step 4: Simplify right side
    40,082,543.38x = 769,000,295,919,031.75
  5. Step 5: Solve for x
    x = 769,000,295,919,031.75/40,082,543.38
  6. Step 6: Final answer
    x = 19,185,416.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.