Home / 7,021,068.89-9,688,887.71-3,923,616.39

Finding the Fourth Proportional to 7,021,068.89, 9,688,887.71 and 3,923,616.39

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Solution

The fourth proportional to 7,021,068.89, 9,688,887.71 and 3,923,616.39 is: 5,414,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,068.89 : 9,688,887.71 = 3,923,616.39 : x
  2. Step 2: Convert to fraction form
    7,021,068.89/9,688,887.71 = 3,923,616.39/x
  3. Step 3: Cross multiply
    7,021,068.89x = 9,688,887.71 × 3,923,616.39
  4. Step 4: Simplify right side
    7,021,068.89x = 38,015,478,600,207.48
  5. Step 5: Solve for x
    x = 38,015,478,600,207.48/7,021,068.89
  6. Step 6: Final answer
    x = 5,414,485.92

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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.