Home / 12,673,999.70-19,010,999.55-12,226,102.10

Finding the Fourth Proportional to 12,673,999.70, 19,010,999.55 and 12,226,102.10

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Solution

The fourth proportional to 12,673,999.70, 19,010,999.55 and 12,226,102.10 is: 18,339,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,999.70 : 19,010,999.55 = 12,226,102.10 : x
  2. Step 2: Convert to fraction form
    12,673,999.70/19,010,999.55 = 12,226,102.10/x
  3. Step 3: Cross multiply
    12,673,999.70x = 19,010,999.55 × 12,226,102.10
  4. Step 4: Simplify right side
    12,673,999.70x = 232,430,421,521,354.06
  5. Step 5: Solve for x
    x = 232,430,421,521,354.06/12,673,999.70
  6. Step 6: Final answer
    x = 18,339,153.15

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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.