Home / 7,339,671.60-10,128,747.40-4,076,790

Finding the Fourth Proportional to 7,339,671.60, 10,128,747.40 and 4,076,790

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Solution

The fourth proportional to 7,339,671.60, 10,128,747.40 and 4,076,790 is: 5,625,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,671.60 : 10,128,747.40 = 4,076,790 : x
  2. Step 2: Convert to fraction form
    7,339,671.60/10,128,747.40 = 4,076,790/x
  3. Step 3: Cross multiply
    7,339,671.60x = 10,128,747.40 × 4,076,790
  4. Step 4: Simplify right side
    7,339,671.60x = 41,292,776,112,846
  5. Step 5: Solve for x
    x = 41,292,776,112,846/7,339,671.60
  6. Step 6: Final answer
    x = 5,625,970.53

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1.5x scale

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.