Home / 30,226,927.20-45,340,390.80-12,288,904.80

Finding the Fourth Proportional to 30,226,927.20, 45,340,390.80 and 12,288,904.80

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Solution

The fourth proportional to 30,226,927.20, 45,340,390.80 and 12,288,904.80 is: 18,433,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226,927.20 : 45,340,390.80 = 12,288,904.80 : x
  2. Step 2: Convert to fraction form
    30,226,927.20/45,340,390.80 = 12,288,904.80/x
  3. Step 3: Cross multiply
    30,226,927.20x = 45,340,390.80 × 12,288,904.80
  4. Step 4: Simplify right side
    30,226,927.20x = 557,183,746,135,995.81
  5. Step 5: Solve for x
    x = 557,183,746,135,995.81/30,226,927.20
  6. Step 6: Final answer
    x = 18,433,357.20

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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.