Home / 28,796,522.60-43,194,783.90-21,143,772.20

Finding the Fourth Proportional to 28,796,522.60, 43,194,783.90 and 21,143,772.20

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Solution

The fourth proportional to 28,796,522.60, 43,194,783.90 and 21,143,772.20 is: 31,715,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796,522.60 : 43,194,783.90 = 21,143,772.20 : x
  2. Step 2: Convert to fraction form
    28,796,522.60/43,194,783.90 = 21,143,772.20/x
  3. Step 3: Cross multiply
    28,796,522.60x = 43,194,783.90 × 21,143,772.20
  4. Step 4: Simplify right side
    28,796,522.60x = 913,300,671,009,827.50
  5. Step 5: Solve for x
    x = 913,300,671,009,827.50/28,796,522.60
  6. Step 6: Final answer
    x = 31,715,658.30

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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.