Home / 20,317,564.18-28,030,257.30-11,611,066.06

Finding the Fourth Proportional to 20,317,564.18, 28,030,257.30 and 11,611,066.06

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Solution

The fourth proportional to 20,317,564.18, 28,030,257.30 and 11,611,066.06 is: 16,018,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,564.18 : 28,030,257.30 = 11,611,066.06 : x
  2. Step 2: Convert to fraction form
    20,317,564.18/28,030,257.30 = 11,611,066.06/x
  3. Step 3: Cross multiply
    20,317,564.18x = 28,030,257.30 × 11,611,066.06
  4. Step 4: Simplify right side
    20,317,564.18x = 325,461,169,189,097.25
  5. Step 5: Solve for x
    x = 325,461,169,189,097.25/20,317,564.18
  6. Step 6: Final answer
    x = 16,018,710.03

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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.