Home / 28,452,770.70-39,264,820.56-15,400,027.32

Finding the Fourth Proportional to 28,452,770.70, 39,264,820.56 and 15,400,027.32

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Solution

The fourth proportional to 28,452,770.70, 39,264,820.56 and 15,400,027.32 is: 21,252,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,770.70 : 39,264,820.56 = 15,400,027.32 : x
  2. Step 2: Convert to fraction form
    28,452,770.70/39,264,820.56 = 15,400,027.32/x
  3. Step 3: Cross multiply
    28,452,770.70x = 39,264,820.56 × 15,400,027.32
  4. Step 4: Simplify right side
    28,452,770.70x = 604,679,309,338,897.75
  5. Step 5: Solve for x
    x = 604,679,309,338,897.75/28,452,770.70
  6. Step 6: Final answer
    x = 21,252,036.07

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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.