Home / 8,301,128.80-12,453,442.80-2,621,927.20

Finding the Fourth Proportional to 8,301,128.80, 12,453,442.80 and 2,621,927.20

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Solution

The fourth proportional to 8,301,128.80, 12,453,442.80 and 2,621,927.20 is: 3,933,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301,128.80 : 12,453,442.80 = 2,621,927.20 : x
  2. Step 2: Convert to fraction form
    8,301,128.80/12,453,442.80 = 2,621,927.20/x
  3. Step 3: Cross multiply
    8,301,128.80x = 12,453,442.80 × 2,621,927.20
  4. Step 4: Simplify right side
    8,301,128.80x = 32,652,020,410,964.16
  5. Step 5: Solve for x
    x = 32,652,020,410,964.16/8,301,128.80
  6. Step 6: Final answer
    x = 3,933,443.41

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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.