Home / 30,930,041.87-42,683,486-16,992,299.67

Finding the Fourth Proportional to 30,930,041.87, 42,683,486 and 16,992,299.67

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Solution

The fourth proportional to 30,930,041.87, 42,683,486 and 16,992,299.67 is: 23,449,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930,041.87 : 42,683,486 = 16,992,299.67 : x
  2. Step 2: Convert to fraction form
    30,930,041.87/42,683,486 = 16,992,299.67/x
  3. Step 3: Cross multiply
    30,930,041.87x = 42,683,486 × 16,992,299.67
  4. Step 4: Simplify right side
    30,930,041.87x = 725,290,585,072,249.75
  5. Step 5: Solve for x
    x = 725,290,585,072,249.75/30,930,041.87
  6. Step 6: Final answer
    x = 23,449,389.05

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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.