Home / 15,433,461.48-21,296,642.28-8,909,192.82

Finding the Fourth Proportional to 15,433,461.48, 21,296,642.28 and 8,909,192.82

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Solution

The fourth proportional to 15,433,461.48, 21,296,642.28 and 8,909,192.82 is: 12,293,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,461.48 : 21,296,642.28 = 8,909,192.82 : x
  2. Step 2: Convert to fraction form
    15,433,461.48/21,296,642.28 = 8,909,192.82/x
  3. Step 3: Cross multiply
    15,433,461.48x = 21,296,642.28 × 8,909,192.82
  4. Step 4: Simplify right side
    15,433,461.48x = 189,735,892,491,084.44
  5. Step 5: Solve for x
    x = 189,735,892,491,084.44/15,433,461.48
  6. Step 6: Final answer
    x = 12,293,800.24

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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.