Home / 55,187,005.30-82,793,316.50-18,795,710.92

Finding the Fourth Proportional to 55,187,005.30, 82,793,316.50 and 18,795,710.92

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Solution

The fourth proportional to 55,187,005.30, 82,793,316.50 and 18,795,710.92 is: 28,197,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,187,005.30 : 82,793,316.50 = 18,795,710.92 : x
  2. Step 2: Convert to fraction form
    55,187,005.30/82,793,316.50 = 18,795,710.92/x
  3. Step 3: Cross multiply
    55,187,005.30x = 82,793,316.50 × 18,795,710.92
  4. Step 4: Simplify right side
    55,187,005.30x = 1,556,159,243,042,066.25
  5. Step 5: Solve for x
    x = 1,556,159,243,042,066.25/55,187,005.30
  6. Step 6: Final answer
    x = 28,197,928.74

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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.