Home / 7,700,690.19-10,627,542.71-4,393,057.21

Finding the Fourth Proportional to 7,700,690.19, 10,627,542.71 and 4,393,057.21

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Solution

The fourth proportional to 7,700,690.19, 10,627,542.71 and 4,393,057.21 is: 6,062,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700,690.19 : 10,627,542.71 = 4,393,057.21 : x
  2. Step 2: Convert to fraction form
    7,700,690.19/10,627,542.71 = 4,393,057.21/x
  3. Step 3: Cross multiply
    7,700,690.19x = 10,627,542.71 × 4,393,057.21
  4. Step 4: Simplify right side
    7,700,690.19x = 46,687,403,126,748.45
  5. Step 5: Solve for x
    x = 46,687,403,126,748.45/7,700,690.19
  6. Step 6: Final answer
    x = 6,062,755.67

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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.