Home / 38,713,407.33-53,425,911.55-21,071,457.03

Finding the Fourth Proportional to 38,713,407.33, 53,425,911.55 and 21,071,457.03

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Solution

The fourth proportional to 38,713,407.33, 53,425,911.55 and 21,071,457.03 is: 29,079,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,713,407.33 : 53,425,911.55 = 21,071,457.03 : x
  2. Step 2: Convert to fraction form
    38,713,407.33/53,425,911.55 = 21,071,457.03/x
  3. Step 3: Cross multiply
    38,713,407.33x = 53,425,911.55 × 21,071,457.03
  4. Step 4: Simplify right side
    38,713,407.33x = 1,125,761,799,141,918.75
  5. Step 5: Solve for x
    x = 1,125,761,799,141,918.75/38,713,407.33
  6. Step 6: Final answer
    x = 29,079,377.84

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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.