Home / 15,749,139.48-21,733,905.38-9,137,664.62

Finding the Fourth Proportional to 15,749,139.48, 21,733,905.38 and 9,137,664.62

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Solution

The fourth proportional to 15,749,139.48, 21,733,905.38 and 9,137,664.62 is: 12,610,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749,139.48 : 21,733,905.38 = 9,137,664.62 : x
  2. Step 2: Convert to fraction form
    15,749,139.48/21,733,905.38 = 9,137,664.62/x
  3. Step 3: Cross multiply
    15,749,139.48x = 21,733,905.38 × 9,137,664.62
  4. Step 4: Simplify right side
    15,749,139.48x = 198,597,138,245,253.62
  5. Step 5: Solve for x
    x = 198,597,138,245,253.62/15,749,139.48
  6. Step 6: Final answer
    x = 12,610,031.07

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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.