Home / 25,157,811.20-37,736,716.80-19,111,193.60

Finding the Fourth Proportional to 25,157,811.20, 37,736,716.80 and 19,111,193.60

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Solution

The fourth proportional to 25,157,811.20, 37,736,716.80 and 19,111,193.60 is: 28,666,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157,811.20 : 37,736,716.80 = 19,111,193.60 : x
  2. Step 2: Convert to fraction form
    25,157,811.20/37,736,716.80 = 19,111,193.60/x
  3. Step 3: Cross multiply
    25,157,811.20x = 37,736,716.80 × 19,111,193.60
  4. Step 4: Simplify right side
    25,157,811.20x = 721,193,700,593,172.50
  5. Step 5: Solve for x
    x = 721,193,700,593,172.50/25,157,811.20
  6. Step 6: Final answer
    x = 28,666,790.40

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1.5x scale

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.