Home / 12,576,364.76-18,868,535.01-4,489,161.35

Finding the Fourth Proportional to 12,576,364.76, 18,868,535.01 and 4,489,161.35

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Solution

The fourth proportional to 12,576,364.76, 18,868,535.01 and 4,489,161.35 is: 6,735,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,364.76 : 18,868,535.01 = 4,489,161.35 : x
  2. Step 2: Convert to fraction form
    12,576,364.76/18,868,535.01 = 4,489,161.35/x
  3. Step 3: Cross multiply
    12,576,364.76x = 18,868,535.01 × 4,489,161.35
  4. Step 4: Simplify right side
    12,576,364.76x = 84,703,898,003,671.19
  5. Step 5: Solve for x
    x = 84,703,898,003,671.19/12,576,364.76
  6. Step 6: Final answer
    x = 6,735,165.50

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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.