Home / 7,140,652-9,854,068.60-3,877,440.28

Finding the Fourth Proportional to 7,140,652, 9,854,068.60 and 3,877,440.28

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Solution

The fourth proportional to 7,140,652, 9,854,068.60 and 3,877,440.28 is: 5,350,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,652 : 9,854,068.60 = 3,877,440.28 : x
  2. Step 2: Convert to fraction form
    7,140,652/9,854,068.60 = 3,877,440.28/x
  3. Step 3: Cross multiply
    7,140,652x = 9,854,068.60 × 3,877,440.28
  4. Step 4: Simplify right side
    7,140,652x = 38,208,562,511,523.20
  5. Step 5: Solve for x
    x = 38,208,562,511,523.20/7,140,652
  6. Step 6: Final answer
    x = 5,350,850.67

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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.