Home / 10,809,126.86-14,915,123.40-6,457,289.07

Finding the Fourth Proportional to 10,809,126.86, 14,915,123.40 and 6,457,289.07

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Solution

The fourth proportional to 10,809,126.86, 14,915,123.40 and 6,457,289.07 is: 8,910,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809,126.86 : 14,915,123.40 = 6,457,289.07 : x
  2. Step 2: Convert to fraction form
    10,809,126.86/14,915,123.40 = 6,457,289.07/x
  3. Step 3: Cross multiply
    10,809,126.86x = 14,915,123.40 × 6,457,289.07
  4. Step 4: Simplify right side
    10,809,126.86x = 96,311,263,308,521.25
  5. Step 5: Solve for x
    x = 96,311,263,308,521.25/10,809,126.86
  6. Step 6: Final answer
    x = 8,910,179.76

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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.