Home / 13,160,745.25-18,155,709.36-8,516,030.03

Finding the Fourth Proportional to 13,160,745.25, 18,155,709.36 and 8,516,030.03

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Solution

The fourth proportional to 13,160,745.25, 18,155,709.36 and 8,516,030.03 is: 11,748,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160,745.25 : 18,155,709.36 = 8,516,030.03 : x
  2. Step 2: Convert to fraction form
    13,160,745.25/18,155,709.36 = 8,516,030.03/x
  3. Step 3: Cross multiply
    13,160,745.25x = 18,155,709.36 × 8,516,030.03
  4. Step 4: Simplify right side
    13,160,745.25x = 154,614,566,125,712.06
  5. Step 5: Solve for x
    x = 154,614,566,125,712.06/13,160,745.25
  6. Step 6: Final answer
    x = 11,748,161.92

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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.