Home / 13,772,040.21-20,634,119.95-9,664,650.09

Finding the Fourth Proportional to 13,772,040.21, 20,634,119.95 and 9,664,650.09

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Solution

The fourth proportional to 13,772,040.21, 20,634,119.95 and 9,664,650.09 is: 14,480,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,040.21 : 20,634,119.95 = 9,664,650.09 : x
  2. Step 2: Convert to fraction form
    13,772,040.21/20,634,119.95 = 9,664,650.09/x
  3. Step 3: Cross multiply
    13,772,040.21x = 20,634,119.95 × 9,664,650.09
  4. Step 4: Simplify right side
    13,772,040.21x = 199,421,549,231,838.28
  5. Step 5: Solve for x
    x = 199,421,549,231,838.28/13,772,040.21
  6. Step 6: Final answer
    x = 14,480,174.77

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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.