Home / 8,629,869.64-11,909,506.16-4,709,840.40

Finding the Fourth Proportional to 8,629,869.64, 11,909,506.16 and 4,709,840.40

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Solution

The fourth proportional to 8,629,869.64, 11,909,506.16 and 4,709,840.40 is: 6,499,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,869.64 : 11,909,506.16 = 4,709,840.40 : x
  2. Step 2: Convert to fraction form
    8,629,869.64/11,909,506.16 = 4,709,840.40/x
  3. Step 3: Cross multiply
    8,629,869.64x = 11,909,506.16 × 4,709,840.40
  4. Step 4: Simplify right side
    8,629,869.64x = 56,091,873,256,416.87
  5. Step 5: Solve for x
    x = 56,091,873,256,416.87/8,629,869.64
  6. Step 6: Final answer
    x = 6,499,735.87

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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.