Home / 8,421,107.58-11,621,197.96-4,649,291.20

Finding the Fourth Proportional to 8,421,107.58, 11,621,197.96 and 4,649,291.20

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Solution

The fourth proportional to 8,421,107.58, 11,621,197.96 and 4,649,291.20 is: 6,416,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,107.58 : 11,621,197.96 = 4,649,291.20 : x
  2. Step 2: Convert to fraction form
    8,421,107.58/11,621,197.96 = 4,649,291.20/x
  3. Step 3: Cross multiply
    8,421,107.58x = 11,621,197.96 × 4,649,291.20
  4. Step 4: Simplify right side
    8,421,107.58x = 54,030,333,408,885.96
  5. Step 5: Solve for x
    x = 54,030,333,408,885.96/8,421,107.58
  6. Step 6: Final answer
    x = 6,416,060.23

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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.