Home / 21,488,971.52-32,213,192.64-10,696,068.16

Finding the Fourth Proportional to 21,488,971.52, 32,213,192.64 and 10,696,068.16

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Solution

The fourth proportional to 21,488,971.52, 32,213,192.64 and 10,696,068.16 is: 16,034,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488,971.52 : 32,213,192.64 = 10,696,068.16 : x
  2. Step 2: Convert to fraction form
    21,488,971.52/32,213,192.64 = 10,696,068.16/x
  3. Step 3: Cross multiply
    21,488,971.52x = 32,213,192.64 × 10,696,068.16
  4. Step 4: Simplify right side
    21,488,971.52x = 344,554,504,128,650.38
  5. Step 5: Solve for x
    x = 344,554,504,128,650.38/21,488,971.52
  6. Step 6: Final answer
    x = 16,034,015.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.