Home / 20,087,401.82-30,134,981.19-8,572,701.02

Finding the Fourth Proportional to 20,087,401.82, 30,134,981.19 and 8,572,701.02

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Solution

The fourth proportional to 20,087,401.82, 30,134,981.19 and 8,572,701.02 is: 12,860,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,401.82 : 30,134,981.19 = 8,572,701.02 : x
  2. Step 2: Convert to fraction form
    20,087,401.82/30,134,981.19 = 8,572,701.02/x
  3. Step 3: Cross multiply
    20,087,401.82x = 30,134,981.19 × 8,572,701.02
  4. Step 4: Simplify right side
    20,087,401.82x = 258,338,183,834,518.94
  5. Step 5: Solve for x
    x = 258,338,183,834,518.94/20,087,401.82
  6. Step 6: Final answer
    x = 12,860,706.74

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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.