Home / 13,342,945-20,014,898.70-3,759,161.08

Finding the Fourth Proportional to 13,342,945, 20,014,898.70 and 3,759,161.08

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Solution

The fourth proportional to 13,342,945, 20,014,898.70 and 3,759,161.08 is: 5,638,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,945 : 20,014,898.70 = 3,759,161.08 : x
  2. Step 2: Convert to fraction form
    13,342,945/20,014,898.70 = 3,759,161.08/x
  3. Step 3: Cross multiply
    13,342,945x = 20,014,898.70 × 3,759,161.08
  4. Step 4: Simplify right side
    13,342,945x = 75,239,228,213,182.59
  5. Step 5: Solve for x
    x = 75,239,228,213,182.59/13,342,945
  6. Step 6: Final answer
    x = 5,638,877.19

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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.