Home / 30,186,701.09-45,284,815.92-12,915,013.91

Finding the Fourth Proportional to 30,186,701.09, 45,284,815.92 and 12,915,013.91

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Solution

The fourth proportional to 30,186,701.09, 45,284,815.92 and 12,915,013.91 is: 19,374,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186,701.09 : 45,284,815.92 = 12,915,013.91 : x
  2. Step 2: Convert to fraction form
    30,186,701.09/45,284,815.92 = 12,915,013.91/x
  3. Step 3: Cross multiply
    30,186,701.09x = 45,284,815.92 × 12,915,013.91
  4. Step 4: Simplify right side
    30,186,701.09x = 584,854,027,292,922.38
  5. Step 5: Solve for x
    x = 584,854,027,292,922.38/30,186,701.09
  6. Step 6: Final answer
    x = 19,374,559.20

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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.