Home / 13,214,108.55-19,818,800.56-8,407,519.95

Finding the Fourth Proportional to 13,214,108.55, 19,818,800.56 and 8,407,519.95

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Solution

The fourth proportional to 13,214,108.55, 19,818,800.56 and 8,407,519.95 is: 12,609,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,108.55 : 19,818,800.56 = 8,407,519.95 : x
  2. Step 2: Convert to fraction form
    13,214,108.55/19,818,800.56 = 8,407,519.95/x
  3. Step 3: Cross multiply
    13,214,108.55x = 19,818,800.56 × 8,407,519.95
  4. Step 4: Simplify right side
    13,214,108.55x = 166,626,961,093,271.16
  5. Step 5: Solve for x
    x = 166,626,961,093,271.16/13,214,108.55
  6. Step 6: Final answer
    x = 12,609,776.93

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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.