Home / 9,358,450.18-12,912,447.96-5,435,875.56

Finding the Fourth Proportional to 9,358,450.18, 12,912,447.96 and 5,435,875.56

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Solution

The fourth proportional to 9,358,450.18, 12,912,447.96 and 5,435,875.56 is: 7,500,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358,450.18 : 12,912,447.96 = 5,435,875.56 : x
  2. Step 2: Convert to fraction form
    9,358,450.18/12,912,447.96 = 5,435,875.56/x
  3. Step 3: Cross multiply
    9,358,450.18x = 12,912,447.96 × 5,435,875.56
  4. Step 4: Simplify right side
    9,358,450.18x = 70,190,460,285,535.86
  5. Step 5: Solve for x
    x = 70,190,460,285,535.86/9,358,450.18
  6. Step 6: Final answer
    x = 7,500,222.68

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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.