Home / 9,009,412.11-12,432,977.64-4,879,440.81

Finding the Fourth Proportional to 9,009,412.11, 12,432,977.64 and 4,879,440.81

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Solution

The fourth proportional to 9,009,412.11, 12,432,977.64 and 4,879,440.81 is: 6,733,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009,412.11 : 12,432,977.64 = 4,879,440.81 : x
  2. Step 2: Convert to fraction form
    9,009,412.11/12,432,977.64 = 4,879,440.81/x
  3. Step 3: Cross multiply
    9,009,412.11x = 12,432,977.64 × 4,879,440.81
  4. Step 4: Simplify right side
    9,009,412.11x = 60,665,978,486,433.48
  5. Step 5: Solve for x
    x = 60,665,978,486,433.48/9,009,412.11
  6. Step 6: Final answer
    x = 6,733,622.32

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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.