Home / 7,164,549.84-10,751,023.80-5,140,612.56

Finding the Fourth Proportional to 7,164,549.84, 10,751,023.80 and 5,140,612.56

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Solution

The fourth proportional to 7,164,549.84, 10,751,023.80 and 5,140,612.56 is: 7,713,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,549.84 : 10,751,023.80 = 5,140,612.56 : x
  2. Step 2: Convert to fraction form
    7,164,549.84/10,751,023.80 = 5,140,612.56/x
  3. Step 3: Cross multiply
    7,164,549.84x = 10,751,023.80 × 5,140,612.56
  4. Step 4: Simplify right side
    7,164,549.84x = 55,266,847,979,138.93
  5. Step 5: Solve for x
    x = 55,266,847,979,138.93/7,164,549.84
  6. Step 6: Final answer
    x = 7,713,931.68

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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.