Home / 13,634,199.25-18,798,176.25-8,731,360.78

Finding the Fourth Proportional to 13,634,199.25, 18,798,176.25 and 8,731,360.78

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Solution

The fourth proportional to 13,634,199.25, 18,798,176.25 and 8,731,360.78 is: 12,038,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,199.25 : 18,798,176.25 = 8,731,360.78 : x
  2. Step 2: Convert to fraction form
    13,634,199.25/18,798,176.25 = 8,731,360.78/x
  3. Step 3: Cross multiply
    13,634,199.25x = 18,798,176.25 × 8,731,360.78
  4. Step 4: Simplify right side
    13,634,199.25x = 164,133,658,797,782.03
  5. Step 5: Solve for x
    x = 164,133,658,797,782.03/13,634,199.25
  6. Step 6: Final answer
    x = 12,038,379.07

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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.