Home / 7,341,331.52-10,130,755.86-4,078,351.42

Finding the Fourth Proportional to 7,341,331.52, 10,130,755.86 and 4,078,351.42

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Solution

The fourth proportional to 7,341,331.52, 10,130,755.86 and 4,078,351.42 is: 5,627,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,331.52 : 10,130,755.86 = 4,078,351.42 : x
  2. Step 2: Convert to fraction form
    7,341,331.52/10,130,755.86 = 4,078,351.42/x
  3. Step 3: Cross multiply
    7,341,331.52x = 10,130,755.86 × 4,078,351.42
  4. Step 4: Simplify right side
    7,341,331.52x = 41,316,782,521,977.43
  5. Step 5: Solve for x
    x = 41,316,782,521,977.43/7,341,331.52
  6. Step 6: Final answer
    x = 5,627,968.50

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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.