Home / 10,380,669.60-15,571,004.40-9,782,798.48

Finding the Fourth Proportional to 10,380,669.60, 15,571,004.40 and 9,782,798.48

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Solution

The fourth proportional to 10,380,669.60, 15,571,004.40 and 9,782,798.48 is: 14,674,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,669.60 : 15,571,004.40 = 9,782,798.48 : x
  2. Step 2: Convert to fraction form
    10,380,669.60/15,571,004.40 = 9,782,798.48/x
  3. Step 3: Cross multiply
    10,380,669.60x = 15,571,004.40 × 9,782,798.48
  4. Step 4: Simplify right side
    10,380,669.60x = 152,327,998,098,538.28
  5. Step 5: Solve for x
    x = 152,327,998,098,538.28/10,380,669.60
  6. Step 6: Final answer
    x = 14,674,197.71

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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.