Home / 8,461,110.30-12,686,999.85-3,406,710.30

Finding the Fourth Proportional to 8,461,110.30, 12,686,999.85 and 3,406,710.30

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Solution

The fourth proportional to 8,461,110.30, 12,686,999.85 and 3,406,710.30 is: 5,108,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,110.30 : 12,686,999.85 = 3,406,710.30 : x
  2. Step 2: Convert to fraction form
    8,461,110.30/12,686,999.85 = 3,406,710.30/x
  3. Step 3: Cross multiply
    8,461,110.30x = 12,686,999.85 × 3,406,710.30
  4. Step 4: Simplify right side
    8,461,110.30x = 43,220,933,065,093.45
  5. Step 5: Solve for x
    x = 43,220,933,065,093.45/8,461,110.30
  6. Step 6: Final answer
    x = 5,108,186.93

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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.