Home / 25,477,755.20-38,178,841.42-18,713,101.76

Finding the Fourth Proportional to 25,477,755.20, 38,178,841.42 and 18,713,101.76

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Solution

The fourth proportional to 25,477,755.20, 38,178,841.42 and 18,713,101.76 is: 28,041,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477,755.20 : 38,178,841.42 = 18,713,101.76 : x
  2. Step 2: Convert to fraction form
    25,477,755.20/38,178,841.42 = 18,713,101.76/x
  3. Step 3: Cross multiply
    25,477,755.20x = 38,178,841.42 × 18,713,101.76
  4. Step 4: Simplify right side
    25,477,755.20x = 714,444,544,571,363
  5. Step 5: Solve for x
    x = 714,444,544,571,363/25,477,755.20
  6. Step 6: Final answer
    x = 28,041,895.33

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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.