Home / 14,637,657.90-20,200,086.50-8,111,396.37

Finding the Fourth Proportional to 14,637,657.90, 20,200,086.50 and 8,111,396.37

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Solution

The fourth proportional to 14,637,657.90, 20,200,086.50 and 8,111,396.37 is: 11,193,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637,657.90 : 20,200,086.50 = 8,111,396.37 : x
  2. Step 2: Convert to fraction form
    14,637,657.90/20,200,086.50 = 8,111,396.37/x
  3. Step 3: Cross multiply
    14,637,657.90x = 20,200,086.50 × 8,111,396.37
  4. Step 4: Simplify right side
    14,637,657.90x = 163,850,908,309,786
  5. Step 5: Solve for x
    x = 163,850,908,309,786/14,637,657.90
  6. Step 6: Final answer
    x = 11,193,792.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.