Home / 7,154,477.46-9,873,171.81-4,098,703.86

Finding the Fourth Proportional to 7,154,477.46, 9,873,171.81 and 4,098,703.86

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Solution

The fourth proportional to 7,154,477.46, 9,873,171.81 and 4,098,703.86 is: 5,656,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,477.46 : 9,873,171.81 = 4,098,703.86 : x
  2. Step 2: Convert to fraction form
    7,154,477.46/9,873,171.81 = 4,098,703.86/x
  3. Step 3: Cross multiply
    7,154,477.46x = 9,873,171.81 × 4,098,703.86
  4. Step 4: Simplify right side
    7,154,477.46x = 40,467,207,408,090.19
  5. Step 5: Solve for x
    x = 40,467,207,408,090.19/7,154,477.46
  6. Step 6: Final answer
    x = 5,656,207.27

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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.