Home / 9,355,586.76-12,910,921.56-5,490,895.32

Finding the Fourth Proportional to 9,355,586.76, 12,910,921.56 and 5,490,895.32

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Solution

The fourth proportional to 9,355,586.76, 12,910,921.56 and 5,490,895.32 is: 7,577,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355,586.76 : 12,910,921.56 = 5,490,895.32 : x
  2. Step 2: Convert to fraction form
    9,355,586.76/12,910,921.56 = 5,490,895.32/x
  3. Step 3: Cross multiply
    9,355,586.76x = 12,910,921.56 × 5,490,895.32
  4. Step 4: Simplify right side
    9,355,586.76x = 70,892,518,770,691.11
  5. Step 5: Solve for x
    x = 70,892,518,770,691.11/9,355,586.76
  6. Step 6: Final answer
    x = 7,577,559.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.