Home / 12,768,459.66-17,620,899.03-6,967,559.58

Finding the Fourth Proportional to 12,768,459.66, 17,620,899.03 and 6,967,559.58

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Solution

The fourth proportional to 12,768,459.66, 17,620,899.03 and 6,967,559.58 is: 9,615,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,459.66 : 17,620,899.03 = 6,967,559.58 : x
  2. Step 2: Convert to fraction form
    12,768,459.66/17,620,899.03 = 6,967,559.58/x
  3. Step 3: Cross multiply
    12,768,459.66x = 17,620,899.03 × 6,967,559.58
  4. Step 4: Simplify right side
    12,768,459.66x = 122,774,663,844,689.22
  5. Step 5: Solve for x
    x = 122,774,663,844,689.22/12,768,459.66
  6. Step 6: Final answer
    x = 9,615,463.97

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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.