Home / 7,381,810.80-11,072,716.20-4,140,020.70

Finding the Fourth Proportional to 7,381,810.80, 11,072,716.20 and 4,140,020.70

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Solution

The fourth proportional to 7,381,810.80, 11,072,716.20 and 4,140,020.70 is: 6,210,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,810.80 : 11,072,716.20 = 4,140,020.70 : x
  2. Step 2: Convert to fraction form
    7,381,810.80/11,072,716.20 = 4,140,020.70/x
  3. Step 3: Cross multiply
    7,381,810.80x = 11,072,716.20 × 4,140,020.70
  4. Step 4: Simplify right side
    7,381,810.80x = 45,841,274,273,225.34
  5. Step 5: Solve for x
    x = 45,841,274,273,225.34/7,381,810.80
  6. Step 6: Final answer
    x = 6,210,031.05

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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.