Home / 21,016,346.14-29,001,899.60-12,320,310.48

Finding the Fourth Proportional to 21,016,346.14, 29,001,899.60 and 12,320,310.48

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Solution

The fourth proportional to 21,016,346.14, 29,001,899.60 and 12,320,310.48 is: 17,001,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016,346.14 : 29,001,899.60 = 12,320,310.48 : x
  2. Step 2: Convert to fraction form
    21,016,346.14/29,001,899.60 = 12,320,310.48/x
  3. Step 3: Cross multiply
    21,016,346.14x = 29,001,899.60 × 12,320,310.48
  4. Step 4: Simplify right side
    21,016,346.14x = 357,312,407,581,787.81
  5. Step 5: Solve for x
    x = 357,312,407,581,787.81/21,016,346.14
  6. Step 6: Final answer
    x = 17,001,642.68

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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.