Home / 20,486,574.56-28,189,880.88-19,863,250.40

Finding the Fourth Proportional to 20,486,574.56, 28,189,880.88 and 19,863,250.40

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Solution

The fourth proportional to 20,486,574.56, 28,189,880.88 and 19,863,250.40 is: 27,332,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,486,574.56 : 28,189,880.88 = 19,863,250.40 : x
  2. Step 2: Convert to fraction form
    20,486,574.56/28,189,880.88 = 19,863,250.40/x
  3. Step 3: Cross multiply
    20,486,574.56x = 28,189,880.88 × 19,863,250.40
  4. Step 4: Simplify right side
    20,486,574.56x = 559,942,662,665,612.31
  5. Step 5: Solve for x
    x = 559,942,662,665,612.31/20,486,574.56
  6. Step 6: Final answer
    x = 27,332,176.06

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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.