Home / 12,423,784.23-18,638,633.92-6,260,622.76

Finding the Fourth Proportional to 12,423,784.23, 18,638,633.92 and 6,260,622.76

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Solution

The fourth proportional to 12,423,784.23, 18,638,633.92 and 6,260,622.76 is: 9,392,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,784.23 : 18,638,633.92 = 6,260,622.76 : x
  2. Step 2: Convert to fraction form
    12,423,784.23/18,638,633.92 = 6,260,622.76/x
  3. Step 3: Cross multiply
    12,423,784.23x = 18,638,633.92 × 6,260,622.76
  4. Step 4: Simplify right side
    12,423,784.23x = 116,689,455,789,059.84
  5. Step 5: Solve for x
    x = 116,689,455,789,059.84/12,423,784.23
  6. Step 6: Final answer
    x = 9,392,424.53

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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.