Home / 7,429,390.71-11,143,975.28-2,575,230.75

Finding the Fourth Proportional to 7,429,390.71, 11,143,975.28 and 2,575,230.75

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Solution

The fourth proportional to 7,429,390.71, 11,143,975.28 and 2,575,230.75 is: 3,862,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,390.71 : 11,143,975.28 = 2,575,230.75 : x
  2. Step 2: Convert to fraction form
    7,429,390.71/11,143,975.28 = 2,575,230.75/x
  3. Step 3: Cross multiply
    7,429,390.71x = 11,143,975.28 × 2,575,230.75
  4. Step 4: Simplify right side
    7,429,390.71x = 28,698,307,847,209.62
  5. Step 5: Solve for x
    x = 28,698,307,847,209.62/7,429,390.71
  6. Step 6: Final answer
    x = 3,862,807.73

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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.