Home / 19,274,312.40-28,897,471.80-7,908,910.80

Finding the Fourth Proportional to 19,274,312.40, 28,897,471.80 and 7,908,910.80

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Solution

The fourth proportional to 19,274,312.40, 28,897,471.80 and 7,908,910.80 is: 11,857,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274,312.40 : 28,897,471.80 = 7,908,910.80 : x
  2. Step 2: Convert to fraction form
    19,274,312.40/28,897,471.80 = 7,908,910.80/x
  3. Step 3: Cross multiply
    19,274,312.40x = 28,897,471.80 × 7,908,910.80
  4. Step 4: Simplify right side
    19,274,312.40x = 228,547,526,811,715.44
  5. Step 5: Solve for x
    x = 228,547,526,811,715.44/19,274,312.40
  6. Step 6: Final answer
    x = 11,857,622.83

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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.