Home / 8,272,318.60-12,408,477.90-7,359,027.40

Finding the Fourth Proportional to 8,272,318.60, 12,408,477.90 and 7,359,027.40

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Solution

The fourth proportional to 8,272,318.60, 12,408,477.90 and 7,359,027.40 is: 11,038,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,318.60 : 12,408,477.90 = 7,359,027.40 : x
  2. Step 2: Convert to fraction form
    8,272,318.60/12,408,477.90 = 7,359,027.40/x
  3. Step 3: Cross multiply
    8,272,318.60x = 12,408,477.90 × 7,359,027.40
  4. Step 4: Simplify right side
    8,272,318.60x = 91,314,328,858,394.47
  5. Step 5: Solve for x
    x = 91,314,328,858,394.47/8,272,318.60
  6. Step 6: Final answer
    x = 11,038,541.10

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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.