Home / 21,074,464.89-31,616,209.52-6,303,720.10

Finding the Fourth Proportional to 21,074,464.89, 31,616,209.52 and 6,303,720.10

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Solution

The fourth proportional to 21,074,464.89, 31,616,209.52 and 6,303,720.10 is: 9,456,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,464.89 : 31,616,209.52 = 6,303,720.10 : x
  2. Step 2: Convert to fraction form
    21,074,464.89/31,616,209.52 = 6,303,720.10/x
  3. Step 3: Cross multiply
    21,074,464.89x = 31,616,209.52 × 6,303,720.10
  4. Step 4: Simplify right side
    21,074,464.89x = 199,299,735,437,035.34
  5. Step 5: Solve for x
    x = 199,299,735,437,035.34/21,074,464.89
  6. Step 6: Final answer
    x = 9,456,929.82

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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.