Home / 51,779,607.67-71,457,573.36-28,259,428.69

Finding the Fourth Proportional to 51,779,607.67, 71,457,573.36 and 28,259,428.69

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Solution

The fourth proportional to 51,779,607.67, 71,457,573.36 and 28,259,428.69 is: 38,998,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,607.67 : 71,457,573.36 = 28,259,428.69 : x
  2. Step 2: Convert to fraction form
    51,779,607.67/71,457,573.36 = 28,259,428.69/x
  3. Step 3: Cross multiply
    51,779,607.67x = 71,457,573.36 × 28,259,428.69
  4. Step 4: Simplify right side
    51,779,607.67x = 2,019,350,198,727,363.75
  5. Step 5: Solve for x
    x = 2,019,350,198,727,363.75/51,779,607.67
  6. Step 6: Final answer
    x = 38,998,947.45

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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.