Home / 12,083,954.40-16,674,489.36-7,122,071.52

Finding the Fourth Proportional to 12,083,954.40, 16,674,489.36 and 7,122,071.52

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Solution

The fourth proportional to 12,083,954.40, 16,674,489.36 and 7,122,071.52 is: 9,827,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,954.40 : 16,674,489.36 = 7,122,071.52 : x
  2. Step 2: Convert to fraction form
    12,083,954.40/16,674,489.36 = 7,122,071.52/x
  3. Step 3: Cross multiply
    12,083,954.40x = 16,674,489.36 × 7,122,071.52
  4. Step 4: Simplify right side
    12,083,954.40x = 118,756,905,781,399.02
  5. Step 5: Solve for x
    x = 118,756,905,781,399.02/12,083,954.40
  6. Step 6: Final answer
    x = 9,827,652.59

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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.