Home / 18,937,132.56-28,401,575.65-5,103,768.43

Finding the Fourth Proportional to 18,937,132.56, 28,401,575.65 and 5,103,768.43

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Solution

The fourth proportional to 18,937,132.56, 28,401,575.65 and 5,103,768.43 is: 7,654,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937,132.56 : 28,401,575.65 = 5,103,768.43 : x
  2. Step 2: Convert to fraction form
    18,937,132.56/28,401,575.65 = 5,103,768.43/x
  3. Step 3: Cross multiply
    18,937,132.56x = 28,401,575.65 × 5,103,768.43
  4. Step 4: Simplify right side
    18,937,132.56x = 144,955,065,139,207.88
  5. Step 5: Solve for x
    x = 144,955,065,139,207.88/18,937,132.56
  6. Step 6: Final answer
    x = 7,654,541.40

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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.