Home / 19,621,401.30-29,436,767.55-8,255,999.70

Finding the Fourth Proportional to 19,621,401.30, 29,436,767.55 and 8,255,999.70

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Solution

The fourth proportional to 19,621,401.30, 29,436,767.55 and 8,255,999.70 is: 12,385,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621,401.30 : 29,436,767.55 = 8,255,999.70 : x
  2. Step 2: Convert to fraction form
    19,621,401.30/29,436,767.55 = 8,255,999.70/x
  3. Step 3: Cross multiply
    19,621,401.30x = 29,436,767.55 × 8,255,999.70
  4. Step 4: Simplify right side
    19,621,401.30x = 243,029,944,061,769.75
  5. Step 5: Solve for x
    x = 243,029,944,061,769.75/19,621,401.30
  6. Step 6: Final answer
    x = 12,385,962.67

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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.