Home / 13,575,043.72-18,733,929.88-7,380,507.24

Finding the Fourth Proportional to 13,575,043.72, 18,733,929.88 and 7,380,507.24

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Solution

The fourth proportional to 13,575,043.72, 18,733,929.88 and 7,380,507.24 is: 10,185,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,043.72 : 18,733,929.88 = 7,380,507.24 : x
  2. Step 2: Convert to fraction form
    13,575,043.72/18,733,929.88 = 7,380,507.24/x
  3. Step 3: Cross multiply
    13,575,043.72x = 18,733,929.88 × 7,380,507.24
  4. Step 4: Simplify right side
    13,575,043.72x = 138,265,905,076,089.80
  5. Step 5: Solve for x
    x = 138,265,905,076,089.80/13,575,043.72
  6. Step 6: Final answer
    x = 10,185,300.90

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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.