Home / 19,018,680.60-26,237,414.26-12,821,463.44

Finding the Fourth Proportional to 19,018,680.60, 26,237,414.26 and 12,821,463.44

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Solution

The fourth proportional to 19,018,680.60, 26,237,414.26 and 12,821,463.44 is: 17,687,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018,680.60 : 26,237,414.26 = 12,821,463.44 : x
  2. Step 2: Convert to fraction form
    19,018,680.60/26,237,414.26 = 12,821,463.44/x
  3. Step 3: Cross multiply
    19,018,680.60x = 26,237,414.26 × 12,821,463.44
  4. Step 4: Simplify right side
    19,018,680.60x = 336,402,047,694,724.69
  5. Step 5: Solve for x
    x = 336,402,047,694,724.69/19,018,680.60
  6. Step 6: Final answer
    x = 17,687,980.30

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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.