Home / 18,980,615.42-28,470,819.44-4,603,655.42

Finding the Fourth Proportional to 18,980,615.42, 28,470,819.44 and 4,603,655.42

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Solution

The fourth proportional to 18,980,615.42, 28,470,819.44 and 4,603,655.42 is: 6,905,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,615.42 : 28,470,819.44 = 4,603,655.42 : x
  2. Step 2: Convert to fraction form
    18,980,615.42/28,470,819.44 = 4,603,655.42/x
  3. Step 3: Cross multiply
    18,980,615.42x = 28,470,819.44 × 4,603,655.42
  4. Step 4: Simplify right side
    18,980,615.42x = 131,069,842,226,797.38
  5. Step 5: Solve for x
    x = 131,069,842,226,797.38/18,980,615.42
  6. Step 6: Final answer
    x = 6,905,457.98

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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.