Home / 21,330,497.48-29,436,921.86-12,038,392.13

Finding the Fourth Proportional to 21,330,497.48, 29,436,921.86 and 12,038,392.13

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Solution

The fourth proportional to 21,330,497.48, 29,436,921.86 and 12,038,392.13 is: 16,613,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,497.48 : 29,436,921.86 = 12,038,392.13 : x
  2. Step 2: Convert to fraction form
    21,330,497.48/29,436,921.86 = 12,038,392.13/x
  3. Step 3: Cross multiply
    21,330,497.48x = 29,436,921.86 × 12,038,392.13
  4. Step 4: Simplify right side
    21,330,497.48x = 354,373,208,243,472.38
  5. Step 5: Solve for x
    x = 354,373,208,243,472.38/21,330,497.48
  6. Step 6: Final answer
    x = 16,613,452.58

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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.