Home / 18,890,235-28,334,224.44-11,113,518.24

Finding the Fourth Proportional to 18,890,235, 28,334,224.44 and 11,113,518.24

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Solution

The fourth proportional to 18,890,235, 28,334,224.44 and 11,113,518.24 is: 16,669,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890,235 : 28,334,224.44 = 11,113,518.24 : x
  2. Step 2: Convert to fraction form
    18,890,235/28,334,224.44 = 11,113,518.24/x
  3. Step 3: Cross multiply
    18,890,235x = 28,334,224.44 × 11,113,518.24
  4. Step 4: Simplify right side
    18,890,235x = 314,892,920,130,193.81
  5. Step 5: Solve for x
    x = 314,892,920,130,193.81/18,890,235
  6. Step 6: Final answer
    x = 16,669,613.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.