Home / 21,333,755.84-29,440,661.09-11,544,200.10

Finding the Fourth Proportional to 21,333,755.84, 29,440,661.09 and 11,544,200.10

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Solution

The fourth proportional to 21,333,755.84, 29,440,661.09 and 11,544,200.10 is: 15,931,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,755.84 : 29,440,661.09 = 11,544,200.10 : x
  2. Step 2: Convert to fraction form
    21,333,755.84/29,440,661.09 = 11,544,200.10/x
  3. Step 3: Cross multiply
    21,333,755.84x = 29,440,661.09 × 11,544,200.10
  4. Step 4: Simplify right side
    21,333,755.84x = 339,868,882,641,523.12
  5. Step 5: Solve for x
    x = 339,868,882,641,523.12/21,333,755.84
  6. Step 6: Final answer
    x = 15,931,038.36

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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.