Home / 7,708,129.89-10,632,403.11-4,958,398.36

Finding the Fourth Proportional to 7,708,129.89, 10,632,403.11 and 4,958,398.36

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Solution

The fourth proportional to 7,708,129.89, 10,632,403.11 and 4,958,398.36 is: 6,839,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708,129.89 : 10,632,403.11 = 4,958,398.36 : x
  2. Step 2: Convert to fraction form
    7,708,129.89/10,632,403.11 = 4,958,398.36/x
  3. Step 3: Cross multiply
    7,708,129.89x = 10,632,403.11 × 4,958,398.36
  4. Step 4: Simplify right side
    7,708,129.89x = 52,719,690,143,482.90
  5. Step 5: Solve for x
    x = 52,719,690,143,482.90/7,708,129.89
  6. Step 6: Final answer
    x = 6,839,491.67

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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.