Home / 13,643,167.71-18,827,526.84-7,448,290.64

Finding the Fourth Proportional to 13,643,167.71, 18,827,526.84 and 7,448,290.64

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Solution

The fourth proportional to 13,643,167.71, 18,827,526.84 and 7,448,290.64 is: 10,278,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,167.71 : 18,827,526.84 = 7,448,290.64 : x
  2. Step 2: Convert to fraction form
    13,643,167.71/18,827,526.84 = 7,448,290.64/x
  3. Step 3: Cross multiply
    13,643,167.71x = 18,827,526.84 × 7,448,290.64
  4. Step 4: Simplify right side
    13,643,167.71x = 140,232,892,002,410.33
  5. Step 5: Solve for x
    x = 140,232,892,002,410.33/13,643,167.71
  6. Step 6: Final answer
    x = 10,278,616.74

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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.