Home / 7,076,939.17-9,766,124.88-4,021,153.42

Finding the Fourth Proportional to 7,076,939.17, 9,766,124.88 and 4,021,153.42

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Solution

The fourth proportional to 7,076,939.17, 9,766,124.88 and 4,021,153.42 is: 5,549,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,939.17 : 9,766,124.88 = 4,021,153.42 : x
  2. Step 2: Convert to fraction form
    7,076,939.17/9,766,124.88 = 4,021,153.42/x
  3. Step 3: Cross multiply
    7,076,939.17x = 9,766,124.88 × 4,021,153.42
  4. Step 4: Simplify right side
    7,076,939.17x = 39,271,086,461,359.09
  5. Step 5: Solve for x
    x = 39,271,086,461,359.09/7,076,939.17
  6. Step 6: Final answer
    x = 5,549,162.64

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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.