Home / 8,415,830.85-12,605,477.99-5,167,508.45

Finding the Fourth Proportional to 8,415,830.85, 12,605,477.99 and 5,167,508.45

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Solution

The fourth proportional to 8,415,830.85, 12,605,477.99 and 5,167,508.45 is: 7,740,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415,830.85 : 12,605,477.99 = 5,167,508.45 : x
  2. Step 2: Convert to fraction form
    8,415,830.85/12,605,477.99 = 5,167,508.45/x
  3. Step 3: Cross multiply
    8,415,830.85x = 12,605,477.99 × 5,167,508.45
  4. Step 4: Simplify right side
    8,415,830.85x = 65,138,914,003,776.47
  5. Step 5: Solve for x
    x = 65,138,914,003,776.47/8,415,830.85
  6. Step 6: Final answer
    x = 7,740,045.54

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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.