Home / 7,854,890.56-11,782,217.59-3,533,889.40

Finding the Fourth Proportional to 7,854,890.56, 11,782,217.59 and 3,533,889.40

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Solution

The fourth proportional to 7,854,890.56, 11,782,217.59 and 3,533,889.40 is: 5,300,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854,890.56 : 11,782,217.59 = 3,533,889.40 : x
  2. Step 2: Convert to fraction form
    7,854,890.56/11,782,217.59 = 3,533,889.40/x
  3. Step 3: Cross multiply
    7,854,890.56x = 11,782,217.59 × 3,533,889.40
  4. Step 4: Simplify right side
    7,854,890.56x = 41,637,053,791,620.70
  5. Step 5: Solve for x
    x = 41,637,053,791,620.70/7,854,890.56
  6. Step 6: Final answer
    x = 5,300,780.89

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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.