Home / 23,189,631.60-34,784,447.40-21,205,585.20

Finding the Fourth Proportional to 23,189,631.60, 34,784,447.40 and 21,205,585.20

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Solution

The fourth proportional to 23,189,631.60, 34,784,447.40 and 21,205,585.20 is: 31,808,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,631.60 : 34,784,447.40 = 21,205,585.20 : x
  2. Step 2: Convert to fraction form
    23,189,631.60/34,784,447.40 = 21,205,585.20/x
  3. Step 3: Cross multiply
    23,189,631.60x = 34,784,447.40 × 21,205,585.20
  4. Step 4: Simplify right side
    23,189,631.60x = 737,624,562,975,618.38
  5. Step 5: Solve for x
    x = 737,624,562,975,618.38/23,189,631.60
  6. Step 6: Final answer
    x = 31,808,377.80

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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.