Home / 12,547,714.37-18,799,304.68-5,245,076.21

Finding the Fourth Proportional to 12,547,714.37, 18,799,304.68 and 5,245,076.21

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Solution

The fourth proportional to 12,547,714.37, 18,799,304.68 and 5,245,076.21 is: 7,858,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,714.37 : 18,799,304.68 = 5,245,076.21 : x
  2. Step 2: Convert to fraction form
    12,547,714.37/18,799,304.68 = 5,245,076.21/x
  3. Step 3: Cross multiply
    12,547,714.37x = 18,799,304.68 × 5,245,076.21
  4. Step 4: Simplify right side
    12,547,714.37x = 98,603,785,759,915.58
  5. Step 5: Solve for x
    x = 98,603,785,759,915.58/12,547,714.37
  6. Step 6: Final answer
    x = 7,858,306.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.