Home / 30,616,808.43-45,930,863.21-12,667,312.11

Finding the Fourth Proportional to 30,616,808.43, 45,930,863.21 and 12,667,312.11

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Solution

The fourth proportional to 30,616,808.43, 45,930,863.21 and 12,667,312.11 is: 19,003,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616,808.43 : 45,930,863.21 = 12,667,312.11 : x
  2. Step 2: Convert to fraction form
    30,616,808.43/45,930,863.21 = 12,667,312.11/x
  3. Step 3: Cross multiply
    30,616,808.43x = 45,930,863.21 × 12,667,312.11
  4. Step 4: Simplify right side
    30,616,808.43x = 581,820,579,699,449.88
  5. Step 5: Solve for x
    x = 581,820,579,699,449.88/30,616,808.43
  6. Step 6: Final answer
    x = 19,003,306.01

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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.