Home / 30,578,429.60-45,936,073.20-25,539,581.60

Finding the Fourth Proportional to 30,578,429.60, 45,936,073.20 and 25,539,581.60

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Solution

The fourth proportional to 30,578,429.60, 45,936,073.20 and 25,539,581.60 is: 38,366,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578,429.60 : 45,936,073.20 = 25,539,581.60 : x
  2. Step 2: Convert to fraction form
    30,578,429.60/45,936,073.20 = 25,539,581.60/x
  3. Step 3: Cross multiply
    30,578,429.60x = 45,936,073.20 × 25,539,581.60
  4. Step 4: Simplify right side
    30,578,429.60x = 1,173,188,089,874,973.25
  5. Step 5: Solve for x
    x = 1,173,188,089,874,973.25/30,578,429.60
  6. Step 6: Final answer
    x = 38,366,525.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.