Home / 19,116,001.70-28,674,002.55-17,025,812.90

Finding the Fourth Proportional to 19,116,001.70, 28,674,002.55 and 17,025,812.90

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Solution

The fourth proportional to 19,116,001.70, 28,674,002.55 and 17,025,812.90 is: 25,538,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116,001.70 : 28,674,002.55 = 17,025,812.90 : x
  2. Step 2: Convert to fraction form
    19,116,001.70/28,674,002.55 = 17,025,812.90/x
  3. Step 3: Cross multiply
    19,116,001.70x = 28,674,002.55 × 17,025,812.90
  4. Step 4: Simplify right side
    19,116,001.70x = 488,198,202,510,422.88
  5. Step 5: Solve for x
    x = 488,198,202,510,422.88/19,116,001.70
  6. Step 6: Final answer
    x = 25,538,719.35

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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.