Home / 25,315,657.20-37,973,485.80-8,278,052.40

Finding the Fourth Proportional to 25,315,657.20, 37,973,485.80 and 8,278,052.40

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Solution

The fourth proportional to 25,315,657.20, 37,973,485.80 and 8,278,052.40 is: 12,417,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315,657.20 : 37,973,485.80 = 8,278,052.40 : x
  2. Step 2: Convert to fraction form
    25,315,657.20/37,973,485.80 = 8,278,052.40/x
  3. Step 3: Cross multiply
    25,315,657.20x = 37,973,485.80 × 8,278,052.40
  4. Step 4: Simplify right side
    25,315,657.20x = 314,346,505,263,055.94
  5. Step 5: Solve for x
    x = 314,346,505,263,055.94/25,315,657.20
  6. Step 6: Final answer
    x = 12,417,078.60

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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.