Home / 28,364,343.40-42,578,007.90-17,593,805.80

Finding the Fourth Proportional to 28,364,343.40, 42,578,007.90 and 17,593,805.80

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Solution

The fourth proportional to 28,364,343.40, 42,578,007.90 and 17,593,805.80 is: 26,410,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364,343.40 : 42,578,007.90 = 17,593,805.80 : x
  2. Step 2: Convert to fraction form
    28,364,343.40/42,578,007.90 = 17,593,805.80/x
  3. Step 3: Cross multiply
    28,364,343.40x = 42,578,007.90 × 17,593,805.80
  4. Step 4: Simplify right side
    28,364,343.40x = 749,109,202,343,465.88
  5. Step 5: Solve for x
    x = 749,109,202,343,465.88/28,364,343.40
  6. Step 6: Final answer
    x = 26,410,243.02

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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.