Home / 7,117,859.13-9,822,631.01-3,854,672.88

Finding the Fourth Proportional to 7,117,859.13, 9,822,631.01 and 3,854,672.88

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Solution

The fourth proportional to 7,117,859.13, 9,822,631.01 and 3,854,672.88 is: 5,319,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,859.13 : 9,822,631.01 = 3,854,672.88 : x
  2. Step 2: Convert to fraction form
    7,117,859.13/9,822,631.01 = 3,854,672.88/x
  3. Step 3: Cross multiply
    7,117,859.13x = 9,822,631.01 × 3,854,672.88
  4. Step 4: Simplify right side
    7,117,859.13x = 37,863,029,364,494.01
  5. Step 5: Solve for x
    x = 37,863,029,364,494.01/7,117,859.13
  6. Step 6: Final answer
    x = 5,319,440.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.