Home / 20,187,809.80-30,281,714.70-14,767,111.60

Finding the Fourth Proportional to 20,187,809.80, 30,281,714.70 and 14,767,111.60

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Solution

The fourth proportional to 20,187,809.80, 30,281,714.70 and 14,767,111.60 is: 22,150,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,809.80 : 30,281,714.70 = 14,767,111.60 : x
  2. Step 2: Convert to fraction form
    20,187,809.80/30,281,714.70 = 14,767,111.60/x
  3. Step 3: Cross multiply
    20,187,809.80x = 30,281,714.70 × 14,767,111.60
  4. Step 4: Simplify right side
    20,187,809.80x = 447,173,460,414,260.50
  5. Step 5: Solve for x
    x = 447,173,460,414,260.50/20,187,809.80
  6. Step 6: Final answer
    x = 22,150,667.40

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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.