Home / 12,713,688.48-17,545,489.95-7,207,170.06

Finding the Fourth Proportional to 12,713,688.48, 17,545,489.95 and 7,207,170.06

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Solution

The fourth proportional to 12,713,688.48, 17,545,489.95 and 7,207,170.06 is: 9,946,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,688.48 : 17,545,489.95 = 7,207,170.06 : x
  2. Step 2: Convert to fraction form
    12,713,688.48/17,545,489.95 = 7,207,170.06/x
  3. Step 3: Cross multiply
    12,713,688.48x = 17,545,489.95 × 7,207,170.06
  4. Step 4: Simplify right side
    12,713,688.48x = 126,453,329,855,670.89
  5. Step 5: Solve for x
    x = 126,453,329,855,670.89/12,713,688.48
  6. Step 6: Final answer
    x = 9,946,234.73

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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.