Home / 20,745,895.98-28,602,721.74-17,010,966.54

Finding the Fourth Proportional to 20,745,895.98, 28,602,721.74 and 17,010,966.54

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Solution

The fourth proportional to 20,745,895.98, 28,602,721.74 and 17,010,966.54 is: 23,453,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,895.98 : 28,602,721.74 = 17,010,966.54 : x
  2. Step 2: Convert to fraction form
    20,745,895.98/28,602,721.74 = 17,010,966.54/x
  3. Step 3: Cross multiply
    20,745,895.98x = 28,602,721.74 × 17,010,966.54
  4. Step 4: Simplify right side
    20,745,895.98x = 486,559,942,472,070.50
  5. Step 5: Solve for x
    x = 486,559,942,472,070.50/20,745,895.98
  6. Step 6: Final answer
    x = 23,453,310.62

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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.