Home / 12,427,004.21-17,149,656.17-6,845,655.52

Finding the Fourth Proportional to 12,427,004.21, 17,149,656.17 and 6,845,655.52

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Solution

The fourth proportional to 12,427,004.21, 17,149,656.17 and 6,845,655.52 is: 9,447,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,004.21 : 17,149,656.17 = 6,845,655.52 : x
  2. Step 2: Convert to fraction form
    12,427,004.21/17,149,656.17 = 6,845,655.52/x
  3. Step 3: Cross multiply
    12,427,004.21x = 17,149,656.17 × 6,845,655.52
  4. Step 4: Simplify right side
    12,427,004.21x = 117,400,638,447,339.81
  5. Step 5: Solve for x
    x = 117,400,638,447,339.81/12,427,004.21
  6. Step 6: Final answer
    x = 9,447,219.66

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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.