Home / 13,900,262.85-19,170,989.28-9,783,920.61

Finding the Fourth Proportional to 13,900,262.85, 19,170,989.28 and 9,783,920.61

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Solution

The fourth proportional to 13,900,262.85, 19,170,989.28 and 9,783,920.61 is: 13,493,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,262.85 : 19,170,989.28 = 9,783,920.61 : x
  2. Step 2: Convert to fraction form
    13,900,262.85/19,170,989.28 = 9,783,920.61/x
  3. Step 3: Cross multiply
    13,900,262.85x = 19,170,989.28 × 9,783,920.61
  4. Step 4: Simplify right side
    13,900,262.85x = 187,567,437,130,681.06
  5. Step 5: Solve for x
    x = 187,567,437,130,681.06/13,900,262.85
  6. Step 6: Final answer
    x = 13,493,805.06

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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.