Home / 28,796,061.60-43,194,092.40-21,143,311.20

Finding the Fourth Proportional to 28,796,061.60, 43,194,092.40 and 21,143,311.20

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Solution

The fourth proportional to 28,796,061.60, 43,194,092.40 and 21,143,311.20 is: 31,714,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796,061.60 : 43,194,092.40 = 21,143,311.20 : x
  2. Step 2: Convert to fraction form
    28,796,061.60/43,194,092.40 = 21,143,311.20/x
  3. Step 3: Cross multiply
    28,796,061.60x = 43,194,092.40 × 21,143,311.20
  4. Step 4: Simplify right side
    28,796,061.60x = 913,266,137,614,754.88
  5. Step 5: Solve for x
    x = 913,266,137,614,754.88/28,796,061.60
  6. Step 6: Final answer
    x = 31,714,966.80

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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.