Home / 20,036,817.23-27,650,860.94-10,869,459.98

Finding the Fourth Proportional to 20,036,817.23, 27,650,860.94 and 10,869,459.98

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Solution

The fourth proportional to 20,036,817.23, 27,650,860.94 and 10,869,459.98 is: 14,999,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,817.23 : 27,650,860.94 = 10,869,459.98 : x
  2. Step 2: Convert to fraction form
    20,036,817.23/27,650,860.94 = 10,869,459.98/x
  3. Step 3: Cross multiply
    20,036,817.23x = 27,650,860.94 × 10,869,459.98
  4. Step 4: Simplify right side
    20,036,817.23x = 300,549,926,288,794.50
  5. Step 5: Solve for x
    x = 300,549,926,288,794.50/20,036,817.23
  6. Step 6: Final answer
    x = 14,999,883.61

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1.5x scale

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.