Home / 28,296,210.60-42,416,322.30-13,907,500.20

Finding the Fourth Proportional to 28,296,210.60, 42,416,322.30 and 13,907,500.20

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Solution

The fourth proportional to 28,296,210.60, 42,416,322.30 and 13,907,500.20 is: 20,847,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296,210.60 : 42,416,322.30 = 13,907,500.20 : x
  2. Step 2: Convert to fraction form
    28,296,210.60/42,416,322.30 = 13,907,500.20/x
  3. Step 3: Cross multiply
    28,296,210.60x = 42,416,322.30 × 13,907,500.20
  4. Step 4: Simplify right side
    28,296,210.60x = 589,905,010,870,514.38
  5. Step 5: Solve for x
    x = 589,905,010,870,514.38/28,296,210.60
  6. Step 6: Final answer
    x = 20,847,491.53

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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.