Home / 9,486,320.55-13,091,119.40-5,135,403.63

Finding the Fourth Proportional to 9,486,320.55, 13,091,119.40 and 5,135,403.63

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Solution

The fourth proportional to 9,486,320.55, 13,091,119.40 and 5,135,403.63 is: 7,086,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,320.55 : 13,091,119.40 = 5,135,403.63 : x
  2. Step 2: Convert to fraction form
    9,486,320.55/13,091,119.40 = 5,135,403.63/x
  3. Step 3: Cross multiply
    9,486,320.55x = 13,091,119.40 × 5,135,403.63
  4. Step 4: Simplify right side
    9,486,320.55x = 67,228,182,061,846.40
  5. Step 5: Solve for x
    x = 67,228,182,061,846.40/9,486,320.55
  6. Step 6: Final answer
    x = 7,086,855.40

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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.