Home / 9,807,742.78-13,534,473.83-5,677,948.67

Finding the Fourth Proportional to 9,807,742.78, 13,534,473.83 and 5,677,948.67

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Solution

The fourth proportional to 9,807,742.78, 13,534,473.83 and 5,677,948.67 is: 7,835,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807,742.78 : 13,534,473.83 = 5,677,948.67 : x
  2. Step 2: Convert to fraction form
    9,807,742.78/13,534,473.83 = 5,677,948.67/x
  3. Step 3: Cross multiply
    9,807,742.78x = 13,534,473.83 × 5,677,948.67
  4. Step 4: Simplify right side
    9,807,742.78x = 76,848,047,586,136.19
  5. Step 5: Solve for x
    x = 76,848,047,586,136.19/9,807,742.78
  6. Step 6: Final answer
    x = 7,835,446.88

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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.