Home / 19,755,999.60-29,633,999.40-8,396,818.80

Finding the Fourth Proportional to 19,755,999.60, 29,633,999.40 and 8,396,818.80

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Solution

The fourth proportional to 19,755,999.60, 29,633,999.40 and 8,396,818.80 is: 12,595,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755,999.60 : 29,633,999.40 = 8,396,818.80 : x
  2. Step 2: Convert to fraction form
    19,755,999.60/29,633,999.40 = 8,396,818.80/x
  3. Step 3: Cross multiply
    19,755,999.60x = 29,633,999.40 × 8,396,818.80
  4. Step 4: Simplify right side
    19,755,999.60x = 248,831,323,281,108.72
  5. Step 5: Solve for x
    x = 248,831,323,281,108.72/19,755,999.60
  6. Step 6: Final answer
    x = 12,595,228.20

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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.