Home / 30,290,416.20-45,435,624.30-26,942,337.90

Finding the Fourth Proportional to 30,290,416.20, 45,435,624.30 and 26,942,337.90

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Solution

The fourth proportional to 30,290,416.20, 45,435,624.30 and 26,942,337.90 is: 40,413,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290,416.20 : 45,435,624.30 = 26,942,337.90 : x
  2. Step 2: Convert to fraction form
    30,290,416.20/45,435,624.30 = 26,942,337.90/x
  3. Step 3: Cross multiply
    30,290,416.20x = 45,435,624.30 × 26,942,337.90
  4. Step 4: Simplify right side
    30,290,416.20x = 1,224,141,942,588,050.75
  5. Step 5: Solve for x
    x = 1,224,141,942,588,050.75/30,290,416.20
  6. Step 6: Final answer
    x = 40,413,506.85

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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.