Home / 14,990,724.42-20,687,266.80-8,115,206.48

Finding the Fourth Proportional to 14,990,724.42, 20,687,266.80 and 8,115,206.48

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Solution

The fourth proportional to 14,990,724.42, 20,687,266.80 and 8,115,206.48 is: 11,199,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,724.42 : 20,687,266.80 = 8,115,206.48 : x
  2. Step 2: Convert to fraction form
    14,990,724.42/20,687,266.80 = 8,115,206.48/x
  3. Step 3: Cross multiply
    14,990,724.42x = 20,687,266.80 × 8,115,206.48
  4. Step 4: Simplify right side
    14,990,724.42x = 167,881,441,588,848.88
  5. Step 5: Solve for x
    x = 167,881,441,588,848.88/14,990,724.42
  6. Step 6: Final answer
    x = 11,199,021.27

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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.