Home / 21,333,667.65-29,440,256.22-11,543,897.49

Finding the Fourth Proportional to 21,333,667.65, 29,440,256.22 and 11,543,897.49

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Solution

The fourth proportional to 21,333,667.65, 29,440,256.22 and 11,543,897.49 is: 15,930,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,667.65 : 29,440,256.22 = 11,543,897.49 : x
  2. Step 2: Convert to fraction form
    21,333,667.65/29,440,256.22 = 11,543,897.49/x
  3. Step 3: Cross multiply
    21,333,667.65x = 29,440,256.22 × 11,543,897.49
  4. Step 4: Simplify right side
    21,333,667.65x = 339,855,299,883,014.88
  5. Step 5: Solve for x
    x = 339,855,299,883,014.88/21,333,667.65
  6. Step 6: Final answer
    x = 15,930,467.53

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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.