Home / 15,878,722.56-21,912,168.96-9,003,832.32

Finding the Fourth Proportional to 15,878,722.56, 21,912,168.96 and 9,003,832.32

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Solution

The fourth proportional to 15,878,722.56, 21,912,168.96 and 9,003,832.32 is: 12,425,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878,722.56 : 21,912,168.96 = 9,003,832.32 : x
  2. Step 2: Convert to fraction form
    15,878,722.56/21,912,168.96 = 9,003,832.32/x
  3. Step 3: Cross multiply
    15,878,722.56x = 21,912,168.96 × 9,003,832.32
  4. Step 4: Simplify right side
    15,878,722.56x = 197,293,495,083,348.81
  5. Step 5: Solve for x
    x = 197,293,495,083,348.81/15,878,722.56
  6. Step 6: Final answer
    x = 12,425,023.13

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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.