Home / 6,513,991.80-9,766,263.78-4,378,779.96

Finding the Fourth Proportional to 6,513,991.80, 9,766,263.78 and 4,378,779.96

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Solution

The fourth proportional to 6,513,991.80, 9,766,263.78 and 4,378,779.96 is: 6,564,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,991.80 : 9,766,263.78 = 4,378,779.96 : x
  2. Step 2: Convert to fraction form
    6,513,991.80/9,766,263.78 = 4,378,779.96/x
  3. Step 3: Cross multiply
    6,513,991.80x = 9,766,263.78 × 4,378,779.96
  4. Step 4: Simplify right side
    6,513,991.80x = 42,764,320,123,937.84
  5. Step 5: Solve for x
    x = 42,764,320,123,937.84/6,513,991.80
  6. Step 6: Final answer
    x = 6,564,994.47

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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.