Home / 28,184,748.48-38,893,651.20-15,961,693.44

Finding the Fourth Proportional to 28,184,748.48, 38,893,651.20 and 15,961,693.44

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Solution

The fourth proportional to 28,184,748.48, 38,893,651.20 and 15,961,693.44 is: 22,026,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,748.48 : 38,893,651.20 = 15,961,693.44 : x
  2. Step 2: Convert to fraction form
    28,184,748.48/38,893,651.20 = 15,961,693.44/x
  3. Step 3: Cross multiply
    28,184,748.48x = 38,893,651.20 × 15,961,693.44
  4. Step 4: Simplify right side
    28,184,748.48x = 620,808,537,216,688.12
  5. Step 5: Solve for x
    x = 620,808,537,216,688.12/28,184,748.48
  6. Step 6: Final answer
    x = 22,026,399.76

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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.