Home / 28,298,329.60-42,349,516.80-16,946,924.80

Finding the Fourth Proportional to 28,298,329.60, 42,349,516.80 and 16,946,924.80

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Solution

The fourth proportional to 28,298,329.60, 42,349,516.80 and 16,946,924.80 is: 25,361,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298,329.60 : 42,349,516.80 = 16,946,924.80 : x
  2. Step 2: Convert to fraction form
    28,298,329.60/42,349,516.80 = 16,946,924.80/x
  3. Step 3: Cross multiply
    28,298,329.60x = 42,349,516.80 × 16,946,924.80
  4. Step 4: Simplify right side
    28,298,329.60x = 717,694,076,525,936.62
  5. Step 5: Solve for x
    x = 717,694,076,525,936.62/28,298,329.60
  6. Step 6: Final answer
    x = 25,361,711.69

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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.