Home / 12,960,554.84-17,872,169.10-11,131,070.84

Finding the Fourth Proportional to 12,960,554.84, 17,872,169.10 and 11,131,070.84

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Solution

The fourth proportional to 12,960,554.84, 17,872,169.10 and 11,131,070.84 is: 15,349,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,554.84 : 17,872,169.10 = 11,131,070.84 : x
  2. Step 2: Convert to fraction form
    12,960,554.84/17,872,169.10 = 11,131,070.84/x
  3. Step 3: Cross multiply
    12,960,554.84x = 17,872,169.10 × 11,131,070.84
  4. Step 4: Simplify right side
    12,960,554.84x = 198,936,380,316,559.06
  5. Step 5: Solve for x
    x = 198,936,380,316,559.06/12,960,554.84
  6. Step 6: Final answer
    x = 15,349,372.21

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1.5x scale

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.