Home / 20,729,495.55-28,606,802.76-11,437,065.03

Finding the Fourth Proportional to 20,729,495.55, 28,606,802.76 and 11,437,065.03

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Solution

The fourth proportional to 20,729,495.55, 28,606,802.76 and 11,437,065.03 is: 15,783,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729,495.55 : 28,606,802.76 = 11,437,065.03 : x
  2. Step 2: Convert to fraction form
    20,729,495.55/28,606,802.76 = 11,437,065.03/x
  3. Step 3: Cross multiply
    20,729,495.55x = 28,606,802.76 × 11,437,065.03
  4. Step 4: Simplify right side
    20,729,495.55x = 327,177,863,466,503.50
  5. Step 5: Solve for x
    x = 327,177,863,466,503.50/20,729,495.55
  6. Step 6: Final answer
    x = 15,783,204.31

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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.