Home / 21,039,774.48-29,034,603.36-11,747,487.42

Finding the Fourth Proportional to 21,039,774.48, 29,034,603.36 and 11,747,487.42

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Solution

The fourth proportional to 21,039,774.48, 29,034,603.36 and 11,747,487.42 is: 16,211,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039,774.48 : 29,034,603.36 = 11,747,487.42 : x
  2. Step 2: Convert to fraction form
    21,039,774.48/29,034,603.36 = 11,747,487.42/x
  3. Step 3: Cross multiply
    21,039,774.48x = 29,034,603.36 × 11,747,487.42
  4. Step 4: Simplify right side
    21,039,774.48x = 341,083,637,716,289.75
  5. Step 5: Solve for x
    x = 341,083,637,716,289.75/21,039,774.48
  6. Step 6: Final answer
    x = 16,211,373.27

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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.