Home / 8,082,602.20-12,123,903.30-7,684,021.45

Finding the Fourth Proportional to 8,082,602.20, 12,123,903.30 and 7,684,021.45

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Solution

The fourth proportional to 8,082,602.20, 12,123,903.30 and 7,684,021.45 is: 11,526,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,602.20 : 12,123,903.30 = 7,684,021.45 : x
  2. Step 2: Convert to fraction form
    8,082,602.20/12,123,903.30 = 7,684,021.45/x
  3. Step 3: Cross multiply
    8,082,602.20x = 12,123,903.30 × 7,684,021.45
  4. Step 4: Simplify right side
    8,082,602.20x = 93,160,333,014,925.80
  5. Step 5: Solve for x
    x = 93,160,333,014,925.80/8,082,602.20
  6. Step 6: Final answer
    x = 11,526,032.18

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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.