Home / 12,570,552.41-18,869,022.50-11,140,385.63

Finding the Fourth Proportional to 12,570,552.41, 18,869,022.50 and 11,140,385.63

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Solution

The fourth proportional to 12,570,552.41, 18,869,022.50 and 11,140,385.63 is: 16,722,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,552.41 : 18,869,022.50 = 11,140,385.63 : x
  2. Step 2: Convert to fraction form
    12,570,552.41/18,869,022.50 = 11,140,385.63/x
  3. Step 3: Cross multiply
    12,570,552.41x = 18,869,022.50 × 11,140,385.63
  4. Step 4: Simplify right side
    12,570,552.41x = 210,208,186,961,099.66
  5. Step 5: Solve for x
    x = 210,208,186,961,099.66/12,570,552.41
  6. Step 6: Final answer
    x = 16,722,271.24

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Double scale
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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.