Home / 7,121,135.62-10,681,700.19-4,729,648.42

Finding the Fourth Proportional to 7,121,135.62, 10,681,700.19 and 4,729,648.42

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Solution

The fourth proportional to 7,121,135.62, 10,681,700.19 and 4,729,648.42 is: 7,094,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,135.62 : 10,681,700.19 = 4,729,648.42 : x
  2. Step 2: Convert to fraction form
    7,121,135.62/10,681,700.19 = 4,729,648.42/x
  3. Step 3: Cross multiply
    7,121,135.62x = 10,681,700.19 × 4,729,648.42
  4. Step 4: Simplify right side
    7,121,135.62x = 50,520,686,426,547.20
  5. Step 5: Solve for x
    x = 50,520,686,426,547.20/7,121,135.62
  6. Step 6: Final answer
    x = 7,094,470.48

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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.