Home / 28,298,321.60-42,349,504.80-16,946,916.80

Finding the Fourth Proportional to 28,298,321.60, 42,349,504.80 and 16,946,916.80

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Solution

The fourth proportional to 28,298,321.60, 42,349,504.80 and 16,946,916.80 is: 25,361,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298,321.60 : 42,349,504.80 = 16,946,916.80 : x
  2. Step 2: Convert to fraction form
    28,298,321.60/42,349,504.80 = 16,946,916.80/x
  3. Step 3: Cross multiply
    28,298,321.60x = 42,349,504.80 × 16,946,916.80
  4. Step 4: Simplify right side
    28,298,321.60x = 717,693,534,366,800.62
  5. Step 5: Solve for x
    x = 717,693,534,366,800.62/28,298,321.60
  6. Step 6: Final answer
    x = 25,361,699.70

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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.