Home / 19,274,310.40-28,897,468.80-7,908,908.80

Finding the Fourth Proportional to 19,274,310.40, 28,897,468.80 and 7,908,908.80

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Solution

The fourth proportional to 19,274,310.40, 28,897,468.80 and 7,908,908.80 is: 11,857,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274,310.40 : 28,897,468.80 = 7,908,908.80 : x
  2. Step 2: Convert to fraction form
    19,274,310.40/28,897,468.80 = 7,908,908.80/x
  3. Step 3: Cross multiply
    19,274,310.40x = 28,897,468.80 × 7,908,908.80
  4. Step 4: Simplify right side
    19,274,310.40x = 228,547,445,290,045.44
  5. Step 5: Solve for x
    x = 228,547,445,290,045.44/19,274,310.40
  6. Step 6: Final answer
    x = 11,857,619.83

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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.