Home / 12,798,618.10-19,197,927.15-9,397,395.70

Finding the Fourth Proportional to 12,798,618.10, 19,197,927.15 and 9,397,395.70

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Solution

The fourth proportional to 12,798,618.10, 19,197,927.15 and 9,397,395.70 is: 14,096,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,618.10 : 19,197,927.15 = 9,397,395.70 : x
  2. Step 2: Convert to fraction form
    12,798,618.10/19,197,927.15 = 9,397,395.70/x
  3. Step 3: Cross multiply
    12,798,618.10x = 19,197,927.15 × 9,397,395.70
  4. Step 4: Simplify right side
    12,798,618.10x = 180,410,518,048,323.22
  5. Step 5: Solve for x
    x = 180,410,518,048,323.22/12,798,618.10
  6. Step 6: Final answer
    x = 14,096,093.55

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Double scale
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Similar ratio
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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.