Home / 28,491,416.60-39,313,806.86-16,096,987.67

Finding the Fourth Proportional to 28,491,416.60, 39,313,806.86 and 16,096,987.67

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Solution

The fourth proportional to 28,491,416.60, 39,313,806.86 and 16,096,987.67 is: 22,211,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491,416.60 : 39,313,806.86 = 16,096,987.67 : x
  2. Step 2: Convert to fraction form
    28,491,416.60/39,313,806.86 = 16,096,987.67/x
  3. Step 3: Cross multiply
    28,491,416.60x = 39,313,806.86 × 16,096,987.67
  4. Step 4: Simplify right side
    28,491,416.60x = 632,833,864,009,127.38
  5. Step 5: Solve for x
    x = 632,833,864,009,127.38/28,491,416.60
  6. Step 6: Final answer
    x = 22,211,386.43

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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.