Home / 7,999,951-12,001,173.06-2,607,350.32

Finding the Fourth Proportional to 7,999,951, 12,001,173.06 and 2,607,350.32

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Solution

The fourth proportional to 7,999,951, 12,001,173.06 and 2,607,350.32 is: 3,911,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,951 : 12,001,173.06 = 2,607,350.32 : x
  2. Step 2: Convert to fraction form
    7,999,951/12,001,173.06 = 2,607,350.32/x
  3. Step 3: Cross multiply
    7,999,951x = 12,001,173.06 × 2,607,350.32
  4. Step 4: Simplify right side
    7,999,951x = 31,291,262,418,366.38
  5. Step 5: Solve for x
    x = 31,291,262,418,366.38/7,999,951
  6. Step 6: Final answer
    x = 3,911,431.76

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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.