Home / 15,488,016.48-21,373,982.10-8,518,988.88

Finding the Fourth Proportional to 15,488,016.48, 21,373,982.10 and 8,518,988.88

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Solution

The fourth proportional to 15,488,016.48, 21,373,982.10 and 8,518,988.88 is: 11,756,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,016.48 : 21,373,982.10 = 8,518,988.88 : x
  2. Step 2: Convert to fraction form
    15,488,016.48/21,373,982.10 = 8,518,988.88/x
  3. Step 3: Cross multiply
    15,488,016.48x = 21,373,982.10 × 8,518,988.88
  4. Step 4: Simplify right side
    15,488,016.48x = 182,084,715,831,219.09
  5. Step 5: Solve for x
    x = 182,084,715,831,219.09/15,488,016.48
  6. Step 6: Final answer
    x = 11,756,490.32

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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.