Home / 12,555,373.08-18,833,973.09-5,261,511.51

Finding the Fourth Proportional to 12,555,373.08, 18,833,973.09 and 5,261,511.51

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Solution

The fourth proportional to 12,555,373.08, 18,833,973.09 and 5,261,511.51 is: 7,892,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,373.08 : 18,833,973.09 = 5,261,511.51 : x
  2. Step 2: Convert to fraction form
    12,555,373.08/18,833,973.09 = 5,261,511.51/x
  3. Step 3: Cross multiply
    12,555,373.08x = 18,833,973.09 × 5,261,511.51
  4. Step 4: Simplify right side
    12,555,373.08x = 99,095,166,192,065.27
  5. Step 5: Solve for x
    x = 99,095,166,192,065.27/12,555,373.08
  6. Step 6: Final answer
    x = 7,892,650.07

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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.