Home / 13,405,482.60-20,113,472.70-4,886,680.20

Finding the Fourth Proportional to 13,405,482.60, 20,113,472.70 and 4,886,680.20

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Solution

The fourth proportional to 13,405,482.60, 20,113,472.70 and 4,886,680.20 is: 7,331,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,482.60 : 20,113,472.70 = 4,886,680.20 : x
  2. Step 2: Convert to fraction form
    13,405,482.60/20,113,472.70 = 4,886,680.20/x
  3. Step 3: Cross multiply
    13,405,482.60x = 20,113,472.70 × 4,886,680.20
  4. Step 4: Simplify right side
    13,405,482.60x = 98,288,108,796,330.55
  5. Step 5: Solve for x
    x = 98,288,108,796,330.55/13,405,482.60
  6. Step 6: Final answer
    x = 7,331,933.64

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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.