Home / 7,339,661.61-10,128,733.59-4,076,780.02

Finding the Fourth Proportional to 7,339,661.61, 10,128,733.59 and 4,076,780.02

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Solution

The fourth proportional to 7,339,661.61, 10,128,733.59 and 4,076,780.02 is: 5,625,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,661.61 : 10,128,733.59 = 4,076,780.02 : x
  2. Step 2: Convert to fraction form
    7,339,661.61/10,128,733.59 = 4,076,780.02/x
  3. Step 3: Cross multiply
    7,339,661.61x = 10,128,733.59 × 4,076,780.02
  4. Step 4: Simplify right side
    7,339,661.61x = 41,292,618,717,580.96
  5. Step 5: Solve for x
    x = 41,292,618,717,580.96/7,339,661.61
  6. Step 6: Final answer
    x = 5,625,956.74

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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.