Home / 15,395,079.63-21,245,266.20-8,330,672.95

Finding the Fourth Proportional to 15,395,079.63, 21,245,266.20 and 8,330,672.95

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Solution

The fourth proportional to 15,395,079.63, 21,245,266.20 and 8,330,672.95 is: 11,496,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,079.63 : 21,245,266.20 = 8,330,672.95 : x
  2. Step 2: Convert to fraction form
    15,395,079.63/21,245,266.20 = 8,330,672.95/x
  3. Step 3: Cross multiply
    15,395,079.63x = 21,245,266.20 × 8,330,672.95
  4. Step 4: Simplify right side
    15,395,079.63x = 176,987,364,447,889.28
  5. Step 5: Solve for x
    x = 176,987,364,447,889.28/15,395,079.63
  6. Step 6: Final answer
    x = 11,496,359.14

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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.