Home / 15,432,840.23-21,298,276.85-8,557,322.30

Finding the Fourth Proportional to 15,432,840.23, 21,298,276.85 and 8,557,322.30

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Solution

The fourth proportional to 15,432,840.23, 21,298,276.85 and 8,557,322.30 is: 11,809,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432,840.23 : 21,298,276.85 = 8,557,322.30 : x
  2. Step 2: Convert to fraction form
    15,432,840.23/21,298,276.85 = 8,557,322.30/x
  3. Step 3: Cross multiply
    15,432,840.23x = 21,298,276.85 × 8,557,322.30
  4. Step 4: Simplify right side
    15,432,840.23x = 182,256,219,290,800.75
  5. Step 5: Solve for x
    x = 182,256,219,290,800.75/15,432,840.23
  6. Step 6: Final answer
    x = 11,809,635.60

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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.