Home / 9,135,383.04-12,605,927.04-5,215,188.48

Finding the Fourth Proportional to 9,135,383.04, 12,605,927.04 and 5,215,188.48

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Solution

The fourth proportional to 9,135,383.04, 12,605,927.04 and 5,215,188.48 is: 7,196,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135,383.04 : 12,605,927.04 = 5,215,188.48 : x
  2. Step 2: Convert to fraction form
    9,135,383.04/12,605,927.04 = 5,215,188.48/x
  3. Step 3: Cross multiply
    9,135,383.04x = 12,605,927.04 × 5,215,188.48
  4. Step 4: Simplify right side
    9,135,383.04x = 65,742,285,478,728.50
  5. Step 5: Solve for x
    x = 65,742,285,478,728.50/9,135,383.04
  6. Step 6: Final answer
    x = 7,196,445.42

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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.