Home / 7,870,662.38-11,779,328.21-4,839,947.84

Finding the Fourth Proportional to 7,870,662.38, 11,779,328.21 and 4,839,947.84

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Solution

The fourth proportional to 7,870,662.38, 11,779,328.21 and 4,839,947.84 is: 7,243,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,662.38 : 11,779,328.21 = 4,839,947.84 : x
  2. Step 2: Convert to fraction form
    7,870,662.38/11,779,328.21 = 4,839,947.84/x
  3. Step 3: Cross multiply
    7,870,662.38x = 11,779,328.21 × 4,839,947.84
  4. Step 4: Simplify right side
    7,870,662.38x = 57,011,334,043,544.19
  5. Step 5: Solve for x
    x = 57,011,334,043,544.19/7,870,662.38
  6. Step 6: Final answer
    x = 7,243,524.28

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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.