Home / 10,076,578.71-15,111,939.80-3,927,191.76

Finding the Fourth Proportional to 10,076,578.71, 15,111,939.80 and 3,927,191.76

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Solution

The fourth proportional to 10,076,578.71, 15,111,939.80 and 3,927,191.76 is: 5,889,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076,578.71 : 15,111,939.80 = 3,927,191.76 : x
  2. Step 2: Convert to fraction form
    10,076,578.71/15,111,939.80 = 3,927,191.76/x
  3. Step 3: Cross multiply
    10,076,578.71x = 15,111,939.80 × 3,927,191.76
  4. Step 4: Simplify right side
    10,076,578.71x = 59,347,485,469,994.02
  5. Step 5: Solve for x
    x = 59,347,485,469,994.02/10,076,578.71
  6. Step 6: Final answer
    x = 5,889,646.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.