Home / 10,464,043.20-15,696,064.80-5,362,209.60

Finding the Fourth Proportional to 10,464,043.20, 15,696,064.80 and 5,362,209.60

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Solution

The fourth proportional to 10,464,043.20, 15,696,064.80 and 5,362,209.60 is: 8,043,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464,043.20 : 15,696,064.80 = 5,362,209.60 : x
  2. Step 2: Convert to fraction form
    10,464,043.20/15,696,064.80 = 5,362,209.60/x
  3. Step 3: Cross multiply
    10,464,043.20x = 15,696,064.80 × 5,362,209.60
  4. Step 4: Simplify right side
    10,464,043.20x = 84,165,589,352,782.08
  5. Step 5: Solve for x
    x = 84,165,589,352,782.08/10,464,043.20
  6. Step 6: Final answer
    x = 8,043,314.40

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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.