Home / 7,027,710.96-9,698,172.81-3,930,199.08

Finding the Fourth Proportional to 7,027,710.96, 9,698,172.81 and 3,930,199.08

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Solution

The fourth proportional to 7,027,710.96, 9,698,172.81 and 3,930,199.08 is: 5,423,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027,710.96 : 9,698,172.81 = 3,930,199.08 : x
  2. Step 2: Convert to fraction form
    7,027,710.96/9,698,172.81 = 3,930,199.08/x
  3. Step 3: Cross multiply
    7,027,710.96x = 9,698,172.81 × 3,930,199.08
  4. Step 4: Simplify right side
    7,027,710.96x = 38,115,749,855,543.02
  5. Step 5: Solve for x
    x = 38,115,749,855,543.02/7,027,710.96
  6. Step 6: Final answer
    x = 5,423,636.53

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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.