Home / 12,085,107.80-16,680,970.50-7,899,400.94

Finding the Fourth Proportional to 12,085,107.80, 16,680,970.50 and 7,899,400.94

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Solution

The fourth proportional to 12,085,107.80, 16,680,970.50 and 7,899,400.94 is: 10,903,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,107.80 : 16,680,970.50 = 7,899,400.94 : x
  2. Step 2: Convert to fraction form
    12,085,107.80/16,680,970.50 = 7,899,400.94/x
  3. Step 3: Cross multiply
    12,085,107.80x = 16,680,970.50 × 7,899,400.94
  4. Step 4: Simplify right side
    12,085,107.80x = 131,769,674,047,812.28
  5. Step 5: Solve for x
    x = 131,769,674,047,812.28/12,085,107.80
  6. Step 6: Final answer
    x = 10,903,475.27

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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.