Home / 21,030,005.10-31,545,007.65-11,464,067.10

Finding the Fourth Proportional to 21,030,005.10, 31,545,007.65 and 11,464,067.10

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Solution

The fourth proportional to 21,030,005.10, 31,545,007.65 and 11,464,067.10 is: 17,196,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,005.10 : 31,545,007.65 = 11,464,067.10 : x
  2. Step 2: Convert to fraction form
    21,030,005.10/31,545,007.65 = 11,464,067.10/x
  3. Step 3: Cross multiply
    21,030,005.10x = 31,545,007.65 × 11,464,067.10
  4. Step 4: Simplify right side
    21,030,005.10x = 361,634,084,369,613.31
  5. Step 5: Solve for x
    x = 361,634,084,369,613.31/21,030,005.10
  6. Step 6: Final answer
    x = 17,196,100.65

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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.