Home / 28,679,176.59-39,576,764.48-15,626,543.37

Finding the Fourth Proportional to 28,679,176.59, 39,576,764.48 and 15,626,543.37

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Solution

The fourth proportional to 28,679,176.59, 39,576,764.48 and 15,626,543.37 is: 21,564,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679,176.59 : 39,576,764.48 = 15,626,543.37 : x
  2. Step 2: Convert to fraction form
    28,679,176.59/39,576,764.48 = 15,626,543.37/x
  3. Step 3: Cross multiply
    28,679,176.59x = 39,576,764.48 × 15,626,543.37
  4. Step 4: Simplify right side
    28,679,176.59x = 618,448,026,512,862.75
  5. Step 5: Solve for x
    x = 618,448,026,512,862.75/28,679,176.59
  6. Step 6: Final answer
    x = 21,564,357.84

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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.