Home / 13,531,285.70-18,655,110.36-10,749,638.40

Finding the Fourth Proportional to 13,531,285.70, 18,655,110.36 and 10,749,638.40

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Solution

The fourth proportional to 13,531,285.70, 18,655,110.36 and 10,749,638.40 is: 14,820,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,285.70 : 18,655,110.36 = 10,749,638.40 : x
  2. Step 2: Convert to fraction form
    13,531,285.70/18,655,110.36 = 10,749,638.40/x
  3. Step 3: Cross multiply
    13,531,285.70x = 18,655,110.36 × 10,749,638.40
  4. Step 4: Simplify right side
    13,531,285.70x = 200,535,690,682,093.81
  5. Step 5: Solve for x
    x = 200,535,690,682,093.81/13,531,285.70
  6. Step 6: Final answer
    x = 14,820,150.51

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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.