Home / 12,129,338.02-16,738,358.90-6,622,695.58

Finding the Fourth Proportional to 12,129,338.02, 16,738,358.90 and 6,622,695.58

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Solution

The fourth proportional to 12,129,338.02, 16,738,358.90 and 6,622,695.58 is: 9,139,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,338.02 : 16,738,358.90 = 6,622,695.58 : x
  2. Step 2: Convert to fraction form
    12,129,338.02/16,738,358.90 = 6,622,695.58/x
  3. Step 3: Cross multiply
    12,129,338.02x = 16,738,358.90 × 6,622,695.58
  4. Step 4: Simplify right side
    12,129,338.02x = 110,853,055,503,483.67
  5. Step 5: Solve for x
    x = 110,853,055,503,483.67/12,129,338.02
  6. Step 6: Final answer
    x = 9,139,250.25

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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.