Home / 21,885,953.80-30,204,180-12,096,187.24

Finding the Fourth Proportional to 21,885,953.80, 30,204,180 and 12,096,187.24

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Solution

The fourth proportional to 21,885,953.80, 30,204,180 and 12,096,187.24 is: 16,693,602.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,953.80 : 30,204,180 = 12,096,187.24 : x
  2. Step 2: Convert to fraction form
    21,885,953.80/30,204,180 = 12,096,187.24/x
  3. Step 3: Cross multiply
    21,885,953.80x = 30,204,180 × 12,096,187.24
  4. Step 4: Simplify right side
    21,885,953.80x = 365,355,416,710,663.19
  5. Step 5: Solve for x
    x = 365,355,416,710,663.19/21,885,953.80
  6. Step 6: Final answer
    x = 16,693,602.67

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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.