Home / 38,842,105.40-53,598,289.22-21,437,329.63

Finding the Fourth Proportional to 38,842,105.40, 53,598,289.22 and 21,437,329.63

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Solution

The fourth proportional to 38,842,105.40, 53,598,289.22 and 21,437,329.63 is: 29,581,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842,105.40 : 53,598,289.22 = 21,437,329.63 : x
  2. Step 2: Convert to fraction form
    38,842,105.40/53,598,289.22 = 21,437,329.63/x
  3. Step 3: Cross multiply
    38,842,105.40x = 53,598,289.22 × 21,437,329.63
  4. Step 4: Simplify right side
    38,842,105.40x = 1,149,004,193,345,224
  5. Step 5: Solve for x
    x = 1,149,004,193,345,224/38,842,105.40
  6. Step 6: Final answer
    x = 29,581,408.67

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Double scale
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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.