Home / 9,486,337.20-13,091,142.48-5,135,420.32

Finding the Fourth Proportional to 9,486,337.20, 13,091,142.48 and 5,135,420.32

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Solution

The fourth proportional to 9,486,337.20, 13,091,142.48 and 5,135,420.32 is: 7,086,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,337.20 : 13,091,142.48 = 5,135,420.32 : x
  2. Step 2: Convert to fraction form
    9,486,337.20/13,091,142.48 = 5,135,420.32/x
  3. Step 3: Cross multiply
    9,486,337.20x = 13,091,142.48 × 5,135,420.32
  4. Step 4: Simplify right side
    9,486,337.20x = 67,228,519,103,807.20
  5. Step 5: Solve for x
    x = 67,228,519,103,807.20/9,486,337.20
  6. Step 6: Final answer
    x = 7,086,878.50

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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.