Home / 30,779,182.09-46,279,517.55-28,379,689.93

Finding the Fourth Proportional to 30,779,182.09, 46,279,517.55 and 28,379,689.93

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Solution

The fourth proportional to 30,779,182.09, 46,279,517.55 and 28,379,689.93 is: 42,671,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779,182.09 : 46,279,517.55 = 28,379,689.93 : x
  2. Step 2: Convert to fraction form
    30,779,182.09/46,279,517.55 = 28,379,689.93/x
  3. Step 3: Cross multiply
    30,779,182.09x = 46,279,517.55 × 28,379,689.93
  4. Step 4: Simplify right side
    30,779,182.09x = 1,313,398,358,178,993.25
  5. Step 5: Solve for x
    x = 1,313,398,358,178,993.25/30,779,182.09
  6. Step 6: Final answer
    x = 42,671,645.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.