Home / 7,162,142.40-10,755,655.20-3,802,910.40

Finding the Fourth Proportional to 7,162,142.40, 10,755,655.20 and 3,802,910.40

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Solution

The fourth proportional to 7,162,142.40, 10,755,655.20 and 3,802,910.40 is: 5,710,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,142.40 : 10,755,655.20 = 3,802,910.40 : x
  2. Step 2: Convert to fraction form
    7,162,142.40/10,755,655.20 = 3,802,910.40/x
  3. Step 3: Cross multiply
    7,162,142.40x = 10,755,655.20 × 3,802,910.40
  4. Step 4: Simplify right side
    7,162,142.40x = 40,902,793,018,894.08
  5. Step 5: Solve for x
    x = 40,902,793,018,894.08/7,162,142.40
  6. Step 6: Final answer
    x = 5,710,971.76

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1.5x scale

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.