Home / 8,460,485.40-12,672,065.70-5,088,811.80

Finding the Fourth Proportional to 8,460,485.40, 12,672,065.70 and 5,088,811.80

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Solution

The fourth proportional to 8,460,485.40, 12,672,065.70 and 5,088,811.80 is: 7,621,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460,485.40 : 12,672,065.70 = 5,088,811.80 : x
  2. Step 2: Convert to fraction form
    8,460,485.40/12,672,065.70 = 5,088,811.80/x
  3. Step 3: Cross multiply
    8,460,485.40x = 12,672,065.70 × 5,088,811.80
  4. Step 4: Simplify right side
    8,460,485.40x = 64,485,757,464,535.25
  5. Step 5: Solve for x
    x = 64,485,757,464,535.25/8,460,485.40
  6. Step 6: Final answer
    x = 7,621,992.64

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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.