Home / 10,807,716.60-16,172,208.90-7,973,364.60

Finding the Fourth Proportional to 10,807,716.60, 16,172,208.90 and 7,973,364.60

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Solution

The fourth proportional to 10,807,716.60, 16,172,208.90 and 7,973,364.60 is: 11,931,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807,716.60 : 16,172,208.90 = 7,973,364.60 : x
  2. Step 2: Convert to fraction form
    10,807,716.60/16,172,208.90 = 7,973,364.60/x
  3. Step 3: Cross multiply
    10,807,716.60x = 16,172,208.90 × 7,973,364.60
  4. Step 4: Simplify right side
    10,807,716.60x = 128,946,917,947,064.94
  5. Step 5: Solve for x
    x = 128,946,917,947,064.94/10,807,716.60
  6. Step 6: Final answer
    x = 11,931,004.74

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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.