Home / 21,863,710.40-32,809,562.40-12,765,790.40

Finding the Fourth Proportional to 21,863,710.40, 32,809,562.40 and 12,765,790.40

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Solution

The fourth proportional to 21,863,710.40, 32,809,562.40 and 12,765,790.40 is: 19,156,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,710.40 : 32,809,562.40 = 12,765,790.40 : x
  2. Step 2: Convert to fraction form
    21,863,710.40/32,809,562.40 = 12,765,790.40/x
  3. Step 3: Cross multiply
    21,863,710.40x = 32,809,562.40 × 12,765,790.40
  4. Step 4: Simplify right side
    21,863,710.40x = 418,839,996,714,120.94
  5. Step 5: Solve for x
    x = 418,839,996,714,120.94/21,863,710.40
  6. Step 6: Final answer
    x = 19,156,858.06

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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.