Home / 29,243,238-43,868,925.60-12,199,990.72

Finding the Fourth Proportional to 29,243,238, 43,868,925.60 and 12,199,990.72

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Solution

The fourth proportional to 29,243,238, 43,868,925.60 and 12,199,990.72 is: 18,301,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,243,238 : 43,868,925.60 = 12,199,990.72 : x
  2. Step 2: Convert to fraction form
    29,243,238/43,868,925.60 = 12,199,990.72/x
  3. Step 3: Cross multiply
    29,243,238x = 43,868,925.60 × 12,199,990.72
  4. Step 4: Simplify right side
    29,243,238x = 535,200,485,216,370.50
  5. Step 5: Solve for x
    x = 535,200,485,216,370.50/29,243,238
  6. Step 6: Final answer
    x = 18,301,683.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.