Home / 19,116,005.20-28,674,007.80-17,025,816.40

Finding the Fourth Proportional to 19,116,005.20, 28,674,007.80 and 17,025,816.40

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Solution

The fourth proportional to 19,116,005.20, 28,674,007.80 and 17,025,816.40 is: 25,538,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116,005.20 : 28,674,007.80 = 17,025,816.40 : x
  2. Step 2: Convert to fraction form
    19,116,005.20/28,674,007.80 = 17,025,816.40/x
  3. Step 3: Cross multiply
    19,116,005.20x = 28,674,007.80 × 17,025,816.40
  4. Step 4: Simplify right side
    19,116,005.20x = 488,198,392,254,967.88
  5. Step 5: Solve for x
    x = 488,198,392,254,967.88/19,116,005.20
  6. Step 6: Final answer
    x = 25,538,724.60

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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.