Home / 6,978,132.66-9,628,411.05-4,076,962.92

Finding the Fourth Proportional to 6,978,132.66, 9,628,411.05 and 4,076,962.92

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Solution

The fourth proportional to 6,978,132.66, 9,628,411.05 and 4,076,962.92 is: 5,625,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,132.66 : 9,628,411.05 = 4,076,962.92 : x
  2. Step 2: Convert to fraction form
    6,978,132.66/9,628,411.05 = 4,076,962.92/x
  3. Step 3: Cross multiply
    6,978,132.66x = 9,628,411.05 × 4,076,962.92
  4. Step 4: Simplify right side
    6,978,132.66x = 39,254,674,829,368.27
  5. Step 5: Solve for x
    x = 39,254,674,829,368.27/6,978,132.66
  6. Step 6: Final answer
    x = 5,625,383.86

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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.