Home / 20,745,868.94-28,602,684.51-17,010,939.50

Finding the Fourth Proportional to 20,745,868.94, 28,602,684.51 and 17,010,939.50

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Solution

The fourth proportional to 20,745,868.94, 28,602,684.51 and 17,010,939.50 is: 23,453,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,868.94 : 28,602,684.51 = 17,010,939.50 : x
  2. Step 2: Convert to fraction form
    20,745,868.94/28,602,684.51 = 17,010,939.50/x
  3. Step 3: Cross multiply
    20,745,868.94x = 28,602,684.51 × 17,010,939.50
  4. Step 4: Simplify right side
    20,745,868.94x = 486,558,535,733,339.31
  5. Step 5: Solve for x
    x = 486,558,535,733,339.31/20,745,868.94
  6. Step 6: Final answer
    x = 23,453,273.38

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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.