Home / 15,185,371.62-20,955,813.93-8,309,854.02

Finding the Fourth Proportional to 15,185,371.62, 20,955,813.93 and 8,309,854.02

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Solution

The fourth proportional to 15,185,371.62, 20,955,813.93 and 8,309,854.02 is: 11,467,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,371.62 : 20,955,813.93 = 8,309,854.02 : x
  2. Step 2: Convert to fraction form
    15,185,371.62/20,955,813.93 = 8,309,854.02/x
  3. Step 3: Cross multiply
    15,185,371.62x = 20,955,813.93 × 8,309,854.02
  4. Step 4: Simplify right side
    15,185,371.62x = 174,139,754,628,582.50
  5. Step 5: Solve for x
    x = 174,139,754,628,582.50/15,185,371.62
  6. Step 6: Final answer
    x = 11,467,599.15

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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.