Home / 21,575,495.28-29,775,088.62-12,408,145.32

Finding the Fourth Proportional to 21,575,495.28, 29,775,088.62 and 12,408,145.32

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Solution

The fourth proportional to 21,575,495.28, 29,775,088.62 and 12,408,145.32 is: 17,123,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,495.28 : 29,775,088.62 = 12,408,145.32 : x
  2. Step 2: Convert to fraction form
    21,575,495.28/29,775,088.62 = 12,408,145.32/x
  3. Step 3: Cross multiply
    21,575,495.28x = 29,775,088.62 × 12,408,145.32
  4. Step 4: Simplify right side
    21,575,495.28x = 369,453,626,512,838.25
  5. Step 5: Solve for x
    x = 369,453,626,512,838.25/21,575,495.28
  6. Step 6: Final answer
    x = 17,123,761.09

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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.