Home / 30,790,077.16-42,490,419.05-16,661,263.71

Finding the Fourth Proportional to 30,790,077.16, 42,490,419.05 and 16,661,263.71

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Solution

The fourth proportional to 30,790,077.16, 42,490,419.05 and 16,661,263.71 is: 22,992,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790,077.16 : 42,490,419.05 = 16,661,263.71 : x
  2. Step 2: Convert to fraction form
    30,790,077.16/42,490,419.05 = 16,661,263.71/x
  3. Step 3: Cross multiply
    30,790,077.16x = 42,490,419.05 × 16,661,263.71
  4. Step 4: Simplify right side
    30,790,077.16x = 707,944,076,940,457.62
  5. Step 5: Solve for x
    x = 707,944,076,940,457.62/30,790,077.16
  6. Step 6: Final answer
    x = 22,992,604.83

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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.