Home / 7,581,345.50-10,462,237.35-4,143,609.92

Finding the Fourth Proportional to 7,581,345.50, 10,462,237.35 and 4,143,609.92

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Solution

The fourth proportional to 7,581,345.50, 10,462,237.35 and 4,143,609.92 is: 5,718,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581,345.50 : 10,462,237.35 = 4,143,609.92 : x
  2. Step 2: Convert to fraction form
    7,581,345.50/10,462,237.35 = 4,143,609.92/x
  3. Step 3: Cross multiply
    7,581,345.50x = 10,462,237.35 × 4,143,609.92
  4. Step 4: Simplify right side
    7,581,345.50x = 43,351,430,468,854.51
  5. Step 5: Solve for x
    x = 43,351,430,468,854.51/7,581,345.50
  6. Step 6: Final answer
    x = 5,718,171.06

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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.