Home / 18,900,293.53-28,350,281.84-5,253,399.86

Finding the Fourth Proportional to 18,900,293.53, 28,350,281.84 and 5,253,399.86

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Solution

The fourth proportional to 18,900,293.53, 28,350,281.84 and 5,253,399.86 is: 7,880,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900,293.53 : 28,350,281.84 = 5,253,399.86 : x
  2. Step 2: Convert to fraction form
    18,900,293.53/28,350,281.84 = 5,253,399.86/x
  3. Step 3: Cross multiply
    18,900,293.53x = 28,350,281.84 × 5,253,399.86
  4. Step 4: Simplify right side
    18,900,293.53x = 148,935,366,649,216.56
  5. Step 5: Solve for x
    x = 148,935,366,649,216.56/18,900,293.53
  6. Step 6: Final answer
    x = 7,880,055.75

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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.