Home / 30,353,739.76-45,530,686.44-12,402,843.76

Finding the Fourth Proportional to 30,353,739.76, 45,530,686.44 and 12,402,843.76

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Solution

The fourth proportional to 30,353,739.76, 45,530,686.44 and 12,402,843.76 is: 18,604,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353,739.76 : 45,530,686.44 = 12,402,843.76 : x
  2. Step 2: Convert to fraction form
    30,353,739.76/45,530,686.44 = 12,402,843.76/x
  3. Step 3: Cross multiply
    30,353,739.76x = 45,530,686.44 × 12,402,843.76
  4. Step 4: Simplify right side
    30,353,739.76x = 564,709,990,200,870.62
  5. Step 5: Solve for x
    x = 564,709,990,200,870.62/30,353,739.76
  6. Step 6: Final answer
    x = 18,604,297.02

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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.