Home / 28,700,216.70-43,050,485.75-7,134,817.60

Finding the Fourth Proportional to 28,700,216.70, 43,050,485.75 and 7,134,817.60

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Solution

The fourth proportional to 28,700,216.70, 43,050,485.75 and 7,134,817.60 is: 10,702,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,216.70 : 43,050,485.75 = 7,134,817.60 : x
  2. Step 2: Convert to fraction form
    28,700,216.70/43,050,485.75 = 7,134,817.60/x
  3. Step 3: Cross multiply
    28,700,216.70x = 43,050,485.75 × 7,134,817.60
  4. Step 4: Simplify right side
    28,700,216.70x = 307,157,363,435,788.19
  5. Step 5: Solve for x
    x = 307,157,363,435,788.19/28,700,216.70
  6. Step 6: Final answer
    x = 10,702,266.35

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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.