Home / 30,455,746.30-45,669,447.78-11,281,355.02

Finding the Fourth Proportional to 30,455,746.30, 45,669,447.78 and 11,281,355.02

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Solution

The fourth proportional to 30,455,746.30, 45,669,447.78 and 11,281,355.02 is: 16,916,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455,746.30 : 45,669,447.78 = 11,281,355.02 : x
  2. Step 2: Convert to fraction form
    30,455,746.30/45,669,447.78 = 11,281,355.02/x
  3. Step 3: Cross multiply
    30,455,746.30x = 45,669,447.78 × 11,281,355.02
  4. Step 4: Simplify right side
    30,455,746.30x = 515,213,253,973,530.88
  5. Step 5: Solve for x
    x = 515,213,253,973,530.88/30,455,746.30
  6. Step 6: Final answer
    x = 16,916,783.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.