Home / 10,415,571.71-14,400,904.14-9,122,693.85

Finding the Fourth Proportional to 10,415,571.71, 14,400,904.14 and 9,122,693.85

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Solution

The fourth proportional to 10,415,571.71, 14,400,904.14 and 9,122,693.85 is: 12,613,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415,571.71 : 14,400,904.14 = 9,122,693.85 : x
  2. Step 2: Convert to fraction form
    10,415,571.71/14,400,904.14 = 9,122,693.85/x
  3. Step 3: Cross multiply
    10,415,571.71x = 14,400,904.14 × 9,122,693.85
  4. Step 4: Simplify right side
    10,415,571.71x = 131,375,039,632,417.55
  5. Step 5: Solve for x
    x = 131,375,039,632,417.55/10,415,571.71
  6. Step 6: Final answer
    x = 12,613,329.67

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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.