Home / 13,462,135.72-20,199,509.43-6,634,987.18

Finding the Fourth Proportional to 13,462,135.72, 20,199,509.43 and 6,634,987.18

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Solution

The fourth proportional to 13,462,135.72, 20,199,509.43 and 6,634,987.18 is: 9,955,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,135.72 : 20,199,509.43 = 6,634,987.18 : x
  2. Step 2: Convert to fraction form
    13,462,135.72/20,199,509.43 = 6,634,987.18/x
  3. Step 3: Cross multiply
    13,462,135.72x = 20,199,509.43 × 6,634,987.18
  4. Step 4: Simplify right side
    13,462,135.72x = 134,023,486,110,339.09
  5. Step 5: Solve for x
    x = 134,023,486,110,339.09/13,462,135.72
  6. Step 6: Final answer
    x = 9,955,588.69

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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.