Home / 42,987,402-59,321,765.88-23,408,531.28

Finding the Fourth Proportional to 42,987,402, 59,321,765.88 and 23,408,531.28

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Solution

The fourth proportional to 42,987,402, 59,321,765.88 and 23,408,531.28 is: 32,303,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,987,402 : 59,321,765.88 = 23,408,531.28 : x
  2. Step 2: Convert to fraction form
    42,987,402/59,321,765.88 = 23,408,531.28/x
  3. Step 3: Cross multiply
    42,987,402x = 59,321,765.88 × 23,408,531.28
  4. Step 4: Simplify right side
    42,987,402x = 1,388,635,412,186,816.75
  5. Step 5: Solve for x
    x = 1,388,635,412,186,816.75/42,987,402
  6. Step 6: Final answer
    x = 32,303,310.91

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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.