Home / 21,728,328,813.76-32,569,289,325.60-12,391,973,325.76

Finding the Fourth Proportional to 21,728,328,813.76, 32,569,289,325.60 and 12,391,973,325.76

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Solution

The fourth proportional to 21,728,328,813.76, 32,569,289,325.60 and 12,391,973,325.76 is: 18,574,726,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,328,813.76 : 32,569,289,325.60 = 12,391,973,325.76 : x
  2. Step 2: Convert to fraction form
    21,728,328,813.76/32,569,289,325.60 = 12,391,973,325.76/x
  3. Step 3: Cross multiply
    21,728,328,813.76x = 32,569,289,325.60 × 12,391,973,325.76
  4. Step 4: Simplify right side
    21,728,328,813.76x = 403,597,764,561,795,088,384
  5. Step 5: Solve for x
    x = 403,597,764,561,795,088,384/21,728,328,813.76
  6. Step 6: Final answer
    x = 18,574,726,479.02

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1.5x scale

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.