Home / 21,117,144-29,141,658.72-11,459,352

Finding the Fourth Proportional to 21,117,144, 29,141,658.72 and 11,459,352

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Solution

The fourth proportional to 21,117,144, 29,141,658.72 and 11,459,352 is: 15,813,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,144 : 29,141,658.72 = 11,459,352 : x
  2. Step 2: Convert to fraction form
    21,117,144/29,141,658.72 = 11,459,352/x
  3. Step 3: Cross multiply
    21,117,144x = 29,141,658.72 × 11,459,352
  4. Step 4: Simplify right side
    21,117,144x = 333,944,525,136,349.44
  5. Step 5: Solve for x
    x = 333,944,525,136,349.44/21,117,144
  6. Step 6: Final answer
    x = 15,813,905.76

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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.