Home / 15,197,283.65-20,972,216.40-8,321,705.57

Finding the Fourth Proportional to 15,197,283.65, 20,972,216.40 and 8,321,705.57

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Solution

The fourth proportional to 15,197,283.65, 20,972,216.40 and 8,321,705.57 is: 11,483,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,283.65 : 20,972,216.40 = 8,321,705.57 : x
  2. Step 2: Convert to fraction form
    15,197,283.65/20,972,216.40 = 8,321,705.57/x
  3. Step 3: Cross multiply
    15,197,283.65x = 20,972,216.40 × 8,321,705.57
  4. Step 4: Simplify right side
    15,197,283.65x = 174,524,610,031,125.34
  5. Step 5: Solve for x
    x = 174,524,610,031,125.34/15,197,283.65
  6. Step 6: Final answer
    x = 11,483,934.50

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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.