Home / 12,602,205.40-18,861,317.70-11,594,435.80

Finding the Fourth Proportional to 12,602,205.40, 18,861,317.70 and 11,594,435.80

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Solution

The fourth proportional to 12,602,205.40, 18,861,317.70 and 11,594,435.80 is: 17,353,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,205.40 : 18,861,317.70 = 11,594,435.80 : x
  2. Step 2: Convert to fraction form
    12,602,205.40/18,861,317.70 = 11,594,435.80/x
  3. Step 3: Cross multiply
    12,602,205.40x = 18,861,317.70 × 11,594,435.80
  4. Step 4: Simplify right side
    12,602,205.40x = 218,686,337,176,053.66
  5. Step 5: Solve for x
    x = 218,686,337,176,053.66/12,602,205.40
  6. Step 6: Final answer
    x = 17,353,021.18

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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.