Home / 20,352,039.20-30,528,058.80-20,210,321.60

Finding the Fourth Proportional to 20,352,039.20, 30,528,058.80 and 20,210,321.60

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Solution

The fourth proportional to 20,352,039.20, 30,528,058.80 and 20,210,321.60 is: 30,315,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,039.20 : 30,528,058.80 = 20,210,321.60 : x
  2. Step 2: Convert to fraction form
    20,352,039.20/30,528,058.80 = 20,210,321.60/x
  3. Step 3: Cross multiply
    20,352,039.20x = 30,528,058.80 × 20,210,321.60
  4. Step 4: Simplify right side
    20,352,039.20x = 616,981,886,171,710.12
  5. Step 5: Solve for x
    x = 616,981,886,171,710.12/20,352,039.20
  6. Step 6: Final answer
    x = 30,315,482.40

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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.