Home / 18,881,244.03-28,326,014.07-11,211,894.30

Finding the Fourth Proportional to 18,881,244.03, 28,326,014.07 and 11,211,894.30

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Solution

The fourth proportional to 18,881,244.03, 28,326,014.07 and 11,211,894.30 is: 16,820,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,244.03 : 28,326,014.07 = 11,211,894.30 : x
  2. Step 2: Convert to fraction form
    18,881,244.03/28,326,014.07 = 11,211,894.30/x
  3. Step 3: Cross multiply
    18,881,244.03x = 28,326,014.07 × 11,211,894.30
  4. Step 4: Simplify right side
    18,881,244.03x = 317,588,275,693,152.81
  5. Step 5: Solve for x
    x = 317,588,275,693,152.81/18,881,244.03
  6. Step 6: Final answer
    x = 16,820,304.59

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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.