Home / 12,735,999.90-19,103,999.85-8,201,036.70

Finding the Fourth Proportional to 12,735,999.90, 19,103,999.85 and 8,201,036.70

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Solution

The fourth proportional to 12,735,999.90, 19,103,999.85 and 8,201,036.70 is: 12,301,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735,999.90 : 19,103,999.85 = 8,201,036.70 : x
  2. Step 2: Convert to fraction form
    12,735,999.90/19,103,999.85 = 8,201,036.70/x
  3. Step 3: Cross multiply
    12,735,999.90x = 19,103,999.85 × 8,201,036.70
  4. Step 4: Simplify right side
    12,735,999.90x = 156,672,603,886,644.50
  5. Step 5: Solve for x
    x = 156,672,603,886,644.50/12,735,999.90
  6. Step 6: Final answer
    x = 12,301,555.05

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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.