Home / 7,341,068.50-10,130,958.84-4,078,130.92

Finding the Fourth Proportional to 7,341,068.50, 10,130,958.84 and 4,078,130.92

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Solution

The fourth proportional to 7,341,068.50, 10,130,958.84 and 4,078,130.92 is: 5,627,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,068.50 : 10,130,958.84 = 4,078,130.92 : x
  2. Step 2: Convert to fraction form
    7,341,068.50/10,130,958.84 = 4,078,130.92/x
  3. Step 3: Cross multiply
    7,341,068.50x = 10,130,958.84 × 4,078,130.92
  4. Step 4: Simplify right side
    7,341,068.50x = 41,315,376,494,651.33
  5. Step 5: Solve for x
    x = 41,315,376,494,651.33/7,341,068.50
  6. Step 6: Final answer
    x = 5,627,978.61

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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.