Home / 30,554,457.66-42,164,186.31-16,803,379.26

Finding the Fourth Proportional to 30,554,457.66, 42,164,186.31 and 16,803,379.26

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Solution

The fourth proportional to 30,554,457.66, 42,164,186.31 and 16,803,379.26 is: 23,188,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554,457.66 : 42,164,186.31 = 16,803,379.26 : x
  2. Step 2: Convert to fraction form
    30,554,457.66/42,164,186.31 = 16,803,379.26/x
  3. Step 3: Cross multiply
    30,554,457.66x = 42,164,186.31 × 16,803,379.26
  4. Step 4: Simplify right side
    30,554,457.66x = 708,500,813,756,230
  5. Step 5: Solve for x
    x = 708,500,813,756,230/30,554,457.66
  6. Step 6: Final answer
    x = 23,188,132.54

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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.