Home / 11,520,210.40-17,280,315.60-11,028,767.20

Finding the Fourth Proportional to 11,520,210.40, 17,280,315.60 and 11,028,767.20

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Solution

The fourth proportional to 11,520,210.40, 17,280,315.60 and 11,028,767.20 is: 16,543,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,210.40 : 17,280,315.60 = 11,028,767.20 : x
  2. Step 2: Convert to fraction form
    11,520,210.40/17,280,315.60 = 11,028,767.20/x
  3. Step 3: Cross multiply
    11,520,210.40x = 17,280,315.60 × 11,028,767.20
  4. Step 4: Simplify right side
    11,520,210.40x = 190,580,577,894,928.31
  5. Step 5: Solve for x
    x = 190,580,577,894,928.31/11,520,210.40
  6. Step 6: Final answer
    x = 16,543,150.80

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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.