Home / 8,403,466.16-12,605,646.46-2,646,649.96

Finding the Fourth Proportional to 8,403,466.16, 12,605,646.46 and 2,646,649.96

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Solution

The fourth proportional to 8,403,466.16, 12,605,646.46 and 2,646,649.96 is: 3,970,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,466.16 : 12,605,646.46 = 2,646,649.96 : x
  2. Step 2: Convert to fraction form
    8,403,466.16/12,605,646.46 = 2,646,649.96/x
  3. Step 3: Cross multiply
    8,403,466.16x = 12,605,646.46 × 2,646,649.96
  4. Step 4: Simplify right side
    8,403,466.16x = 33,362,733,699,133.14
  5. Step 5: Solve for x
    x = 33,362,733,699,133.14/8,403,466.16
  6. Step 6: Final answer
    x = 3,970,115.79

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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.