Home / 8,064,268.10-12,068,408.55-7,392,421.70

Finding the Fourth Proportional to 8,064,268.10, 12,068,408.55 and 7,392,421.70

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Solution

The fourth proportional to 8,064,268.10, 12,068,408.55 and 7,392,421.70 is: 11,062,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,268.10 : 12,068,408.55 = 7,392,421.70 : x
  2. Step 2: Convert to fraction form
    8,064,268.10/12,068,408.55 = 7,392,421.70/x
  3. Step 3: Cross multiply
    8,064,268.10x = 12,068,408.55 × 7,392,421.70
  4. Step 4: Simplify right side
    8,064,268.10x = 89,214,765,249,485.55
  5. Step 5: Solve for x
    x = 89,214,765,249,485.55/8,064,268.10
  6. Step 6: Final answer
    x = 11,062,971.14

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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.