Home / 13,285,564.40-19,922,441.70-5,195,851.40

Finding the Fourth Proportional to 13,285,564.40, 19,922,441.70 and 5,195,851.40

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Solution

The fourth proportional to 13,285,564.40, 19,922,441.70 and 5,195,851.40 is: 7,791,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,564.40 : 19,922,441.70 = 5,195,851.40 : x
  2. Step 2: Convert to fraction form
    13,285,564.40/19,922,441.70 = 5,195,851.40/x
  3. Step 3: Cross multiply
    13,285,564.40x = 19,922,441.70 × 5,195,851.40
  4. Step 4: Simplify right side
    13,285,564.40x = 103,514,046,598,363.39
  5. Step 5: Solve for x
    x = 103,514,046,598,363.39/13,285,564.40
  6. Step 6: Final answer
    x = 7,791,467.75

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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.