Home / 28,245,457.52-38,977,583.64-16,022,052.08

Finding the Fourth Proportional to 28,245,457.52, 38,977,583.64 and 16,022,052.08

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Solution

The fourth proportional to 28,245,457.52, 38,977,583.64 and 16,022,052.08 is: 22,109,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245,457.52 : 38,977,583.64 = 16,022,052.08 : x
  2. Step 2: Convert to fraction form
    28,245,457.52/38,977,583.64 = 16,022,052.08/x
  3. Step 3: Cross multiply
    28,245,457.52x = 38,977,583.64 × 16,022,052.08
  4. Step 4: Simplify right side
    28,245,457.52x = 624,500,875,032,636
  5. Step 5: Solve for x
    x = 624,500,875,032,636/28,245,457.52
  6. Step 6: Final answer
    x = 22,109,780.82

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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.