Home / 21,084,651.18-31,620,772.47-9,563,453.10

Finding the Fourth Proportional to 21,084,651.18, 31,620,772.47 and 9,563,453.10

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Solution

The fourth proportional to 21,084,651.18, 31,620,772.47 and 9,563,453.10 is: 14,342,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084,651.18 : 31,620,772.47 = 9,563,453.10 : x
  2. Step 2: Convert to fraction form
    21,084,651.18/31,620,772.47 = 9,563,453.10/x
  3. Step 3: Cross multiply
    21,084,651.18x = 31,620,772.47 × 9,563,453.10
  4. Step 4: Simplify right side
    21,084,651.18x = 302,403,774,502,616.12
  5. Step 5: Solve for x
    x = 302,403,774,502,616.12/21,084,651.18
  6. Step 6: Final answer
    x = 14,342,365.54

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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.