Home / 13,575,312.37-18,732,816.16-7,992,671.41

Finding the Fourth Proportional to 13,575,312.37, 18,732,816.16 and 7,992,671.41

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Solution

The fourth proportional to 13,575,312.37, 18,732,816.16 and 7,992,671.41 is: 11,029,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,312.37 : 18,732,816.16 = 7,992,671.41 : x
  2. Step 2: Convert to fraction form
    13,575,312.37/18,732,816.16 = 7,992,671.41/x
  3. Step 3: Cross multiply
    13,575,312.37x = 18,732,816.16 × 7,992,671.41
  4. Step 4: Simplify right side
    13,575,312.37x = 149,725,244,150,818
  5. Step 5: Solve for x
    x = 149,725,244,150,818/13,575,312.37
  6. Step 6: Final answer
    x = 11,029,230.13

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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.