Home / 30,616,808.18-45,930,862.83-12,667,311.86

Finding the Fourth Proportional to 30,616,808.18, 45,930,862.83 and 12,667,311.86

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Solution

The fourth proportional to 30,616,808.18, 45,930,862.83 and 12,667,311.86 is: 19,003,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616,808.18 : 45,930,862.83 = 12,667,311.86 : x
  2. Step 2: Convert to fraction form
    30,616,808.18/45,930,862.83 = 12,667,311.86/x
  3. Step 3: Cross multiply
    30,616,808.18x = 45,930,862.83 × 12,667,311.86
  4. Step 4: Simplify right side
    30,616,808.18x = 581,820,563,466,492.12
  5. Step 5: Solve for x
    x = 581,820,563,466,492.12/30,616,808.18
  6. Step 6: Final answer
    x = 19,003,305.64

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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.