Home / 30,177,393.43-45,267,730.40-8,610,336.67

Finding the Fourth Proportional to 30,177,393.43, 45,267,730.40 and 8,610,336.67

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Solution

The fourth proportional to 30,177,393.43, 45,267,730.40 and 8,610,336.67 is: 12,915,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177,393.43 : 45,267,730.40 = 8,610,336.67 : x
  2. Step 2: Convert to fraction form
    30,177,393.43/45,267,730.40 = 8,610,336.67/x
  3. Step 3: Cross multiply
    30,177,393.43x = 45,267,730.40 × 8,610,336.67
  4. Step 4: Simplify right side
    30,177,393.43x = 389,770,399,030,793.75
  5. Step 5: Solve for x
    x = 389,770,399,030,793.75/30,177,393.43
  6. Step 6: Final answer
    x = 12,915,973.01

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1.5x scale

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.