Home / 12,139,015.07-16,751,645.30-6,632,271.79

Finding the Fourth Proportional to 12,139,015.07, 16,751,645.30 and 6,632,271.79

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Solution

The fourth proportional to 12,139,015.07, 16,751,645.30 and 6,632,271.79 is: 9,152,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,015.07 : 16,751,645.30 = 6,632,271.79 : x
  2. Step 2: Convert to fraction form
    12,139,015.07/16,751,645.30 = 6,632,271.79/x
  3. Step 3: Cross multiply
    12,139,015.07x = 16,751,645.30 × 6,632,271.79
  4. Step 4: Simplify right side
    12,139,015.07x = 111,101,464,533,977.66
  5. Step 5: Solve for x
    x = 111,101,464,533,977.66/12,139,015.07
  6. Step 6: Final answer
    x = 9,152,428.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.