Home / 28,478,509.44-39,293,533.44-16,874,067.84

Finding the Fourth Proportional to 28,478,509.44, 39,293,533.44 and 16,874,067.84

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Solution

The fourth proportional to 28,478,509.44, 39,293,533.44 and 16,874,067.84 is: 23,282,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,478,509.44 : 39,293,533.44 = 16,874,067.84 : x
  2. Step 2: Convert to fraction form
    28,478,509.44/39,293,533.44 = 16,874,067.84/x
  3. Step 3: Cross multiply
    28,478,509.44x = 39,293,533.44 × 16,874,067.84
  4. Step 4: Simplify right side
    28,478,509.44x = 663,041,748,939,868.50
  5. Step 5: Solve for x
    x = 663,041,748,939,868.50/28,478,509.44
  6. Step 6: Final answer
    x = 23,282,178.81

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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.