Home / 30,415,019.40-45,632,714.58-9,945,682.92

Finding the Fourth Proportional to 30,415,019.40, 45,632,714.58 and 9,945,682.92

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Solution

The fourth proportional to 30,415,019.40, 45,632,714.58 and 9,945,682.92 is: 14,921,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415,019.40 : 45,632,714.58 = 9,945,682.92 : x
  2. Step 2: Convert to fraction form
    30,415,019.40/45,632,714.58 = 9,945,682.92/x
  3. Step 3: Cross multiply
    30,415,019.40x = 45,632,714.58 × 9,945,682.92
  4. Step 4: Simplify right side
    30,415,019.40x = 453,848,509,991,540.94
  5. Step 5: Solve for x
    x = 453,848,509,991,540.94/30,415,019.40
  6. Step 6: Final answer
    x = 14,921,855.02

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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.