Home / 30,406,187.03-45,612,177.10-8,546,509.67

Finding the Fourth Proportional to 30,406,187.03, 45,612,177.10 and 8,546,509.67

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Solution

The fourth proportional to 30,406,187.03, 45,612,177.10 and 8,546,509.67 is: 12,820,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406,187.03 : 45,612,177.10 = 8,546,509.67 : x
  2. Step 2: Convert to fraction form
    30,406,187.03/45,612,177.10 = 8,546,509.67/x
  3. Step 3: Cross multiply
    30,406,187.03x = 45,612,177.10 × 8,546,509.67
  4. Step 4: Simplify right side
    30,406,187.03x = 389,824,912,405,475.31
  5. Step 5: Solve for x
    x = 389,824,912,405,475.31/30,406,187.03
  6. Step 6: Final answer
    x = 12,820,578.66

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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.