Home / 13,544,080.64-18,689,911.16-7,432,902.80

Finding the Fourth Proportional to 13,544,080.64, 18,689,911.16 and 7,432,902.80

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Solution

The fourth proportional to 13,544,080.64, 18,689,911.16 and 7,432,902.80 is: 10,256,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544,080.64 : 18,689,911.16 = 7,432,902.80 : x
  2. Step 2: Convert to fraction form
    13,544,080.64/18,689,911.16 = 7,432,902.80/x
  3. Step 3: Cross multiply
    13,544,080.64x = 18,689,911.16 × 7,432,902.80
  4. Step 4: Simplify right side
    13,544,080.64x = 138,920,292,992,915.25
  5. Step 5: Solve for x
    x = 138,920,292,992,915.25/13,544,080.64
  6. Step 6: Final answer
    x = 10,256,900.91

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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.