Home / 28,245,460.52-38,977,587.78-16,022,055.08

Finding the Fourth Proportional to 28,245,460.52, 38,977,587.78 and 16,022,055.08

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Solution

The fourth proportional to 28,245,460.52, 38,977,587.78 and 16,022,055.08 is: 22,109,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245,460.52 : 38,977,587.78 = 16,022,055.08 : x
  2. Step 2: Convert to fraction form
    28,245,460.52/38,977,587.78 = 16,022,055.08/x
  3. Step 3: Cross multiply
    28,245,460.52x = 38,977,587.78 × 16,022,055.08
  4. Step 4: Simplify right side
    28,245,460.52x = 624,501,058,296,695
  5. Step 5: Solve for x
    x = 624,501,058,296,695/28,245,460.52
  6. Step 6: Final answer
    x = 22,109,784.96

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1.5x scale

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.