Home / 13,637,628.99-18,819,889.52-7,526,013.75

Finding the Fourth Proportional to 13,637,628.99, 18,819,889.52 and 7,526,013.75

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Solution

The fourth proportional to 13,637,628.99, 18,819,889.52 and 7,526,013.75 is: 10,385,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,628.99 : 18,819,889.52 = 7,526,013.75 : x
  2. Step 2: Convert to fraction form
    13,637,628.99/18,819,889.52 = 7,526,013.75/x
  3. Step 3: Cross multiply
    13,637,628.99x = 18,819,889.52 × 7,526,013.75
  4. Step 4: Simplify right side
    13,637,628.99x = 141,638,747,263,370.84
  5. Step 5: Solve for x
    x = 141,638,747,263,370.84/13,637,628.99
  6. Step 6: Final answer
    x = 10,385,877.73

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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.