Home / 51,779,197.81-71,457,009.24-28,259,022.43

Finding the Fourth Proportional to 51,779,197.81, 71,457,009.24 and 28,259,022.43

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Solution

The fourth proportional to 51,779,197.81, 71,457,009.24 and 28,259,022.43 is: 38,998,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,197.81 : 71,457,009.24 = 28,259,022.43 : x
  2. Step 2: Convert to fraction form
    51,779,197.81/71,457,009.24 = 28,259,022.43/x
  3. Step 3: Cross multiply
    51,779,197.81x = 71,457,009.24 × 28,259,022.43
  4. Step 4: Simplify right side
    51,779,197.81x = 2,019,305,226,893,877
  5. Step 5: Solve for x
    x = 2,019,305,226,893,877/51,779,197.81
  6. Step 6: Final answer
    x = 38,998,387.62

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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.