Home / 21,316,961.40-29,910,930.60-21,316,961.40

Finding the Fourth Proportional to 21,316,961.40, 29,910,930.60 and 21,316,961.40

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Solution

The fourth proportional to 21,316,961.40, 29,910,930.60 and 21,316,961.40 is: 29,910,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,316,961.40 : 29,910,930.60 = 21,316,961.40 : x
  2. Step 2: Convert to fraction form
    21,316,961.40/29,910,930.60 = 21,316,961.40/x
  3. Step 3: Cross multiply
    21,316,961.40x = 29,910,930.60 × 21,316,961.40
  4. Step 4: Simplify right side
    21,316,961.40x = 637,610,153,038,278.88
  5. Step 5: Solve for x
    x = 637,610,153,038,278.88/21,316,961.40
  6. Step 6: Final answer
    x = 29,910,930.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.