Home / 10,415,409.18-14,372,630.60-5,768,918.78

Finding the Fourth Proportional to 10,415,409.18, 14,372,630.60 and 5,768,918.78

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Solution

The fourth proportional to 10,415,409.18, 14,372,630.60 and 5,768,918.78 is: 7,960,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415,409.18 : 14,372,630.60 = 5,768,918.78 : x
  2. Step 2: Convert to fraction form
    10,415,409.18/14,372,630.60 = 5,768,918.78/x
  3. Step 3: Cross multiply
    10,415,409.18x = 14,372,630.60 × 5,768,918.78
  4. Step 4: Simplify right side
    10,415,409.18x = 82,914,538,586,342.67
  5. Step 5: Solve for x
    x = 82,914,538,586,342.67/10,415,409.18
  6. Step 6: Final answer
    x = 7,960,756.72

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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.