Home / 21,328,635.63-29,434,274.45-12,038,467.39

Finding the Fourth Proportional to 21,328,635.63, 29,434,274.45 and 12,038,467.39

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Solution

The fourth proportional to 21,328,635.63, 29,434,274.45 and 12,038,467.39 is: 16,613,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328,635.63 : 29,434,274.45 = 12,038,467.39 : x
  2. Step 2: Convert to fraction form
    21,328,635.63/29,434,274.45 = 12,038,467.39/x
  3. Step 3: Cross multiply
    21,328,635.63x = 29,434,274.45 × 12,038,467.39
  4. Step 4: Simplify right side
    21,328,635.63x = 354,343,553,114,635.19
  5. Step 5: Solve for x
    x = 354,343,553,114,635.19/21,328,635.63
  6. Step 6: Final answer
    x = 16,613,512.43

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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.