Home / 12,997,661.64-17,936,962.02-7,487,996.28

Finding the Fourth Proportional to 12,997,661.64, 17,936,962.02 and 7,487,996.28

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Solution

The fourth proportional to 12,997,661.64, 17,936,962.02 and 7,487,996.28 is: 10,333,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,661.64 : 17,936,962.02 = 7,487,996.28 : x
  2. Step 2: Convert to fraction form
    12,997,661.64/17,936,962.02 = 7,487,996.28/x
  3. Step 3: Cross multiply
    12,997,661.64x = 17,936,962.02 × 7,487,996.28
  4. Step 4: Simplify right side
    12,997,661.64x = 134,311,904,880,261.28
  5. Step 5: Solve for x
    x = 134,311,904,880,261.28/12,997,661.64
  6. Step 6: Final answer
    x = 10,333,543.73

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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.