Home / 28,884,817.09-43,329,747.51-7,319,419.54

Finding the Fourth Proportional to 28,884,817.09, 43,329,747.51 and 7,319,419.54

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Solution

The fourth proportional to 28,884,817.09, 43,329,747.51 and 7,319,419.54 is: 10,979,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884,817.09 : 43,329,747.51 = 7,319,419.54 : x
  2. Step 2: Convert to fraction form
    28,884,817.09/43,329,747.51 = 7,319,419.54/x
  3. Step 3: Cross multiply
    28,884,817.09x = 43,329,747.51 × 7,319,419.54
  4. Step 4: Simplify right side
    28,884,817.09x = 317,148,600,371,311.62
  5. Step 5: Solve for x
    x = 317,148,600,371,311.62/28,884,817.09
  6. Step 6: Final answer
    x = 10,979,768.35

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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.