Home / 12,096,321.70-18,144,482.55-6,413,620.90

Finding the Fourth Proportional to 12,096,321.70, 18,144,482.55 and 6,413,620.90

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Solution

The fourth proportional to 12,096,321.70, 18,144,482.55 and 6,413,620.90 is: 9,620,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,321.70 : 18,144,482.55 = 6,413,620.90 : x
  2. Step 2: Convert to fraction form
    12,096,321.70/18,144,482.55 = 6,413,620.90/x
  3. Step 3: Cross multiply
    12,096,321.70x = 18,144,482.55 × 6,413,620.90
  4. Step 4: Simplify right side
    12,096,321.70x = 116,371,832,502,365.31
  5. Step 5: Solve for x
    x = 116,371,832,502,365.31/12,096,321.70
  6. Step 6: Final answer
    x = 9,620,431.35

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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.