Home / 8,958,919.62-12,362,952.91-5,289,018.35

Finding the Fourth Proportional to 8,958,919.62, 12,362,952.91 and 5,289,018.35

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Solution

The fourth proportional to 8,958,919.62, 12,362,952.91 and 5,289,018.35 is: 7,298,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,919.62 : 12,362,952.91 = 5,289,018.35 : x
  2. Step 2: Convert to fraction form
    8,958,919.62/12,362,952.91 = 5,289,018.35/x
  3. Step 3: Cross multiply
    8,958,919.62x = 12,362,952.91 × 5,289,018.35
  4. Step 4: Simplify right side
    8,958,919.62x = 65,387,884,818,860.74
  5. Step 5: Solve for x
    x = 65,387,884,818,860.74/8,958,919.62
  6. Step 6: Final answer
    x = 7,298,635.06

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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.