Home / 10,430,336.39-15,649,809.32-5,632,375.50

Finding the Fourth Proportional to 10,430,336.39, 15,649,809.32 and 5,632,375.50

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Solution

The fourth proportional to 10,430,336.39, 15,649,809.32 and 5,632,375.50 is: 8,450,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,336.39 : 15,649,809.32 = 5,632,375.50 : x
  2. Step 2: Convert to fraction form
    10,430,336.39/15,649,809.32 = 5,632,375.50/x
  3. Step 3: Cross multiply
    10,430,336.39x = 15,649,809.32 × 5,632,375.50
  4. Step 4: Simplify right side
    10,430,336.39x = 88,145,602,607,720.59
  5. Step 5: Solve for x
    x = 88,145,602,607,720.59/10,430,336.39
  6. Step 6: Final answer
    x = 8,450,887.81

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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.