Home / 9,291,469.64-12,822,315.80-5,105,241.81

Finding the Fourth Proportional to 9,291,469.64, 12,822,315.80 and 5,105,241.81

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Solution

The fourth proportional to 9,291,469.64, 12,822,315.80 and 5,105,241.81 is: 7,045,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,469.64 : 12,822,315.80 = 5,105,241.81 : x
  2. Step 2: Convert to fraction form
    9,291,469.64/12,822,315.80 = 5,105,241.81/x
  3. Step 3: Cross multiply
    9,291,469.64x = 12,822,315.80 × 5,105,241.81
  4. Step 4: Simplify right side
    9,291,469.64x = 65,461,022,697,657.38
  5. Step 5: Solve for x
    x = 65,461,022,697,657.38/9,291,469.64
  6. Step 6: Final answer
    x = 7,045,281.88

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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.