Home / 25,563,795.41-35,278,908.28-15,118,765.43

Finding the Fourth Proportional to 25,563,795.41, 35,278,908.28 and 15,118,765.43

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Solution

The fourth proportional to 25,563,795.41, 35,278,908.28 and 15,118,765.43 is: 20,864,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563,795.41 : 35,278,908.28 = 15,118,765.43 : x
  2. Step 2: Convert to fraction form
    25,563,795.41/35,278,908.28 = 15,118,765.43/x
  3. Step 3: Cross multiply
    25,563,795.41x = 35,278,908.28 × 15,118,765.43
  4. Step 4: Simplify right side
    25,563,795.41x = 533,373,538,697,613.38
  5. Step 5: Solve for x
    x = 533,373,538,697,613.38/25,563,795.41
  6. Step 6: Final answer
    x = 20,864,411.18

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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.