Home / 51,555,347.28-71,146,749.36-28,033,715.46

Finding the Fourth Proportional to 51,555,347.28, 71,146,749.36 and 28,033,715.46

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Solution

The fourth proportional to 51,555,347.28, 71,146,749.36 and 28,033,715.46 is: 38,686,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,555,347.28 : 71,146,749.36 = 28,033,715.46 : x
  2. Step 2: Convert to fraction form
    51,555,347.28/71,146,749.36 = 28,033,715.46/x
  3. Step 3: Cross multiply
    51,555,347.28x = 71,146,749.36 × 28,033,715.46
  4. Step 4: Simplify right side
    51,555,347.28x = 1,994,507,727,462,177.25
  5. Step 5: Solve for x
    x = 1,994,507,727,462,177.25/51,555,347.28
  6. Step 6: Final answer
    x = 38,686,728.59

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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.