Home / 7,118,698.96-9,824,667.78-4,021,352.92

Finding the Fourth Proportional to 7,118,698.96, 9,824,667.78 and 4,021,352.92

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Solution

The fourth proportional to 7,118,698.96, 9,824,667.78 and 4,021,352.92 is: 5,549,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,698.96 : 9,824,667.78 = 4,021,352.92 : x
  2. Step 2: Convert to fraction form
    7,118,698.96/9,824,667.78 = 4,021,352.92/x
  3. Step 3: Cross multiply
    7,118,698.96x = 9,824,667.78 × 4,021,352.92
  4. Step 4: Simplify right side
    7,118,698.96x = 39,508,456,465,132.91
  5. Step 5: Solve for x
    x = 39,508,456,465,132.91/7,118,698.96
  6. Step 6: Final answer
    x = 5,549,954.66

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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.