Home / 7,211,242.60-10,818,307.32-2,662,319.05

Finding the Fourth Proportional to 7,211,242.60, 10,818,307.32 and 2,662,319.05

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Solution

The fourth proportional to 7,211,242.60, 10,818,307.32 and 2,662,319.05 is: 3,994,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,242.60 : 10,818,307.32 = 2,662,319.05 : x
  2. Step 2: Convert to fraction form
    7,211,242.60/10,818,307.32 = 2,662,319.05/x
  3. Step 3: Cross multiply
    7,211,242.60x = 10,818,307.32 × 2,662,319.05
  4. Step 4: Simplify right side
    7,211,242.60x = 28,801,785,666,790.45
  5. Step 5: Solve for x
    x = 28,801,785,666,790.45/7,211,242.60
  6. Step 6: Final answer
    x = 3,994,011.47

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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.