Home / 15,421,183.98-21,280,503.84-9,229,642.08

Finding the Fourth Proportional to 15,421,183.98, 21,280,503.84 and 9,229,642.08

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Solution

The fourth proportional to 15,421,183.98, 21,280,503.84 and 9,229,642.08 is: 12,736,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,183.98 : 21,280,503.84 = 9,229,642.08 : x
  2. Step 2: Convert to fraction form
    15,421,183.98/21,280,503.84 = 9,229,642.08/x
  3. Step 3: Cross multiply
    15,421,183.98x = 21,280,503.84 × 9,229,642.08
  4. Step 4: Simplify right side
    15,421,183.98x = 196,411,433,725,265.59
  5. Step 5: Solve for x
    x = 196,411,433,725,265.59/15,421,183.98
  6. Step 6: Final answer
    x = 12,736,469.13

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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.