Home / 21,470,787.14-29,618,393.46-12,762,765.50

Finding the Fourth Proportional to 21,470,787.14, 29,618,393.46 and 12,762,765.50

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Solution

The fourth proportional to 21,470,787.14, 29,618,393.46 and 12,762,765.50 is: 17,605,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,470,787.14 : 29,618,393.46 = 12,762,765.50 : x
  2. Step 2: Convert to fraction form
    21,470,787.14/29,618,393.46 = 12,762,765.50/x
  3. Step 3: Cross multiply
    21,470,787.14x = 29,618,393.46 × 12,762,765.50
  4. Step 4: Simplify right side
    21,470,787.14x = 378,012,610,216,713.62
  5. Step 5: Solve for x
    x = 378,012,610,216,713.62/21,470,787.14
  6. Step 6: Final answer
    x = 17,605,903.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.