Home / 7,853,313.20-11,779,969.80-5,461,828.70

Finding the Fourth Proportional to 7,853,313.20, 11,779,969.80 and 5,461,828.70

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Solution

The fourth proportional to 7,853,313.20, 11,779,969.80 and 5,461,828.70 is: 8,192,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853,313.20 : 11,779,969.80 = 5,461,828.70 : x
  2. Step 2: Convert to fraction form
    7,853,313.20/11,779,969.80 = 5,461,828.70/x
  3. Step 3: Cross multiply
    7,853,313.20x = 11,779,969.80 × 5,461,828.70
  4. Step 4: Simplify right side
    7,853,313.20x = 64,340,177,138,773.27
  5. Step 5: Solve for x
    x = 64,340,177,138,773.27/7,853,313.20
  6. Step 6: Final answer
    x = 8,192,743.05

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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.