Home / 35,909,653.68-49,555,636.80-20,440,732.95

Finding the Fourth Proportional to 35,909,653.68, 49,555,636.80 and 20,440,732.95

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Solution

The fourth proportional to 35,909,653.68, 49,555,636.80 and 20,440,732.95 is: 28,208,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909,653.68 : 49,555,636.80 = 20,440,732.95 : x
  2. Step 2: Convert to fraction form
    35,909,653.68/49,555,636.80 = 20,440,732.95/x
  3. Step 3: Cross multiply
    35,909,653.68x = 49,555,636.80 × 20,440,732.95
  4. Step 4: Simplify right side
    35,909,653.68x = 1,012,953,537,995,992.50
  5. Step 5: Solve for x
    x = 1,012,953,537,995,992.50/35,909,653.68
  6. Step 6: Final answer
    x = 28,208,390.62

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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.