Home / 20,903,669.67-28,847,064.15-11,736,509.25

Finding the Fourth Proportional to 20,903,669.67, 28,847,064.15 and 11,736,509.25

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Solution

The fourth proportional to 20,903,669.67, 28,847,064.15 and 11,736,509.25 is: 16,196,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,669.67 : 28,847,064.15 = 11,736,509.25 : x
  2. Step 2: Convert to fraction form
    20,903,669.67/28,847,064.15 = 11,736,509.25/x
  3. Step 3: Cross multiply
    20,903,669.67x = 28,847,064.15 × 11,736,509.25
  4. Step 4: Simplify right side
    20,903,669.67x = 338,563,835,231,818.38
  5. Step 5: Solve for x
    x = 338,563,835,231,818.38/20,903,669.67
  6. Step 6: Final answer
    x = 16,196,382.77

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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.