Home / 14,258,140.20-21,387,210.30-8,589,436.20

Finding the Fourth Proportional to 14,258,140.20, 21,387,210.30 and 8,589,436.20

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Solution

The fourth proportional to 14,258,140.20, 21,387,210.30 and 8,589,436.20 is: 12,884,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,140.20 : 21,387,210.30 = 8,589,436.20 : x
  2. Step 2: Convert to fraction form
    14,258,140.20/21,387,210.30 = 8,589,436.20/x
  3. Step 3: Cross multiply
    14,258,140.20x = 21,387,210.30 × 8,589,436.20
  4. Step 4: Simplify right side
    14,258,140.20x = 183,704,078,367,832.84
  5. Step 5: Solve for x
    x = 183,704,078,367,832.84/14,258,140.20
  6. Step 6: Final answer
    x = 12,884,154.30

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Similar ratio
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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.