Home / 5,938,454.80-8,912,160.42-4,345,128.64

Finding the Fourth Proportional to 5,938,454.80, 8,912,160.42 and 4,345,128.64

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Solution

The fourth proportional to 5,938,454.80, 8,912,160.42 and 4,345,128.64 is: 6,520,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938,454.80 : 8,912,160.42 = 4,345,128.64 : x
  2. Step 2: Convert to fraction form
    5,938,454.80/8,912,160.42 = 4,345,128.64/x
  3. Step 3: Cross multiply
    5,938,454.80x = 8,912,160.42 × 4,345,128.64
  4. Step 4: Simplify right side
    5,938,454.80x = 38,724,483,485,216.42
  5. Step 5: Solve for x
    x = 38,724,483,485,216.42/5,938,454.80
  6. Step 6: Final answer
    x = 6,520,969.64

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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.