Home / 10,516,672.80-15,775,527.60-5,477,824.80

Finding the Fourth Proportional to 10,516,672.80, 15,775,527.60 and 5,477,824.80

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Solution

The fourth proportional to 10,516,672.80, 15,775,527.60 and 5,477,824.80 is: 8,217,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,672.80 : 15,775,527.60 = 5,477,824.80 : x
  2. Step 2: Convert to fraction form
    10,516,672.80/15,775,527.60 = 5,477,824.80/x
  3. Step 3: Cross multiply
    10,516,672.80x = 15,775,527.60 × 5,477,824.80
  4. Step 4: Simplify right side
    10,516,672.80x = 86,415,576,320,364.47
  5. Step 5: Solve for x
    x = 86,415,576,320,364.47/10,516,672.80
  6. Step 6: Final answer
    x = 8,217,007.22

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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.