Home / 13,122,318.15-19,683,477.23-12,325,156.65

Finding the Fourth Proportional to 13,122,318.15, 19,683,477.23 and 12,325,156.65

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Solution

The fourth proportional to 13,122,318.15, 19,683,477.23 and 12,325,156.65 is: 18,487,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,318.15 : 19,683,477.23 = 12,325,156.65 : x
  2. Step 2: Convert to fraction form
    13,122,318.15/19,683,477.23 = 12,325,156.65/x
  3. Step 3: Cross multiply
    13,122,318.15x = 19,683,477.23 × 12,325,156.65
  4. Step 4: Simplify right side
    13,122,318.15x = 242,601,940,214,832.31
  5. Step 5: Solve for x
    x = 242,601,940,214,832.31/13,122,318.15
  6. Step 6: Final answer
    x = 18,487,734.98

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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.