Home / 6,915,892.80-10,366,840.80-4,074,542.40

Finding the Fourth Proportional to 6,915,892.80, 10,366,840.80 and 4,074,542.40

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Solution

The fourth proportional to 6,915,892.80, 10,366,840.80 and 4,074,542.40 is: 6,107,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,892.80 : 10,366,840.80 = 4,074,542.40 : x
  2. Step 2: Convert to fraction form
    6,915,892.80/10,366,840.80 = 4,074,542.40/x
  3. Step 3: Cross multiply
    6,915,892.80x = 10,366,840.80 × 4,074,542.40
  4. Step 4: Simplify right side
    6,915,892.80x = 42,240,132,393,649.92
  5. Step 5: Solve for x
    x = 42,240,132,393,649.92/6,915,892.80
  6. Step 6: Final answer
    x = 6,107,690.45

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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.