Home / 30,319,745.20-45,479,617.80-16,667,616.40

Finding the Fourth Proportional to 30,319,745.20, 45,479,617.80 and 16,667,616.40

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Solution

The fourth proportional to 30,319,745.20, 45,479,617.80 and 16,667,616.40 is: 25,001,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319,745.20 : 45,479,617.80 = 16,667,616.40 : x
  2. Step 2: Convert to fraction form
    30,319,745.20/45,479,617.80 = 16,667,616.40/x
  3. Step 3: Cross multiply
    30,319,745.20x = 45,479,617.80 × 16,667,616.40
  4. Step 4: Simplify right side
    30,319,745.20x = 758,036,823,509,011.88
  5. Step 5: Solve for x
    x = 758,036,823,509,011.88/30,319,745.20
  6. Step 6: Final answer
    x = 25,001,424.60

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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.