Home / 13,465,685.64-18,582,667.47-7,664,467.80

Finding the Fourth Proportional to 13,465,685.64, 18,582,667.47 and 7,664,467.80

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Solution

The fourth proportional to 13,465,685.64, 18,582,667.47 and 7,664,467.80 is: 10,576,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,685.64 : 18,582,667.47 = 7,664,467.80 : x
  2. Step 2: Convert to fraction form
    13,465,685.64/18,582,667.47 = 7,664,467.80/x
  3. Step 3: Cross multiply
    13,465,685.64x = 18,582,667.47 × 7,664,467.80
  4. Step 4: Simplify right side
    13,465,685.64x = 142,426,256,461,922.47
  5. Step 5: Solve for x
    x = 142,426,256,461,922.47/13,465,685.64
  6. Step 6: Final answer
    x = 10,576,977.68

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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.