Home / 13,404,962.88-18,498,296-7,293,415.68

Finding the Fourth Proportional to 13,404,962.88, 18,498,296 and 7,293,415.68

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Solution

The fourth proportional to 13,404,962.88, 18,498,296 and 7,293,415.68 is: 10,064,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404,962.88 : 18,498,296 = 7,293,415.68 : x
  2. Step 2: Convert to fraction form
    13,404,962.88/18,498,296 = 7,293,415.68/x
  3. Step 3: Cross multiply
    13,404,962.88x = 18,498,296 × 7,293,415.68
  4. Step 4: Simplify right side
    13,404,962.88x = 134,915,762,099,681.28
  5. Step 5: Solve for x
    x = 134,915,762,099,681.28/13,404,962.88
  6. Step 6: Final answer
    x = 10,064,612.88

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1.5x scale

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.