Home / 7,999,962-12,001,189.60-2,607,361.36

Finding the Fourth Proportional to 7,999,962, 12,001,189.60 and 2,607,361.36

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Solution

The fourth proportional to 7,999,962, 12,001,189.60 and 2,607,361.36 is: 3,911,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,962 : 12,001,189.60 = 2,607,361.36 : x
  2. Step 2: Convert to fraction form
    7,999,962/12,001,189.60 = 2,607,361.36/x
  3. Step 3: Cross multiply
    7,999,962x = 12,001,189.60 × 2,607,361.36
  4. Step 4: Simplify right side
    7,999,962x = 31,291,438,037,073.85
  5. Step 5: Solve for x
    x = 31,291,438,037,073.85/7,999,962
  6. Step 6: Final answer
    x = 3,911,448.33

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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.