Home / 11,586,338.60-15,989,692.75-6,429,742.52

Finding the Fourth Proportional to 11,586,338.60, 15,989,692.75 and 6,429,742.52

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Solution

The fourth proportional to 11,586,338.60, 15,989,692.75 and 6,429,742.52 is: 8,873,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586,338.60 : 15,989,692.75 = 6,429,742.52 : x
  2. Step 2: Convert to fraction form
    11,586,338.60/15,989,692.75 = 6,429,742.52/x
  3. Step 3: Cross multiply
    11,586,338.60x = 15,989,692.75 × 6,429,742.52
  4. Step 4: Simplify right side
    11,586,338.60x = 102,809,607,260,387.91
  5. Step 5: Solve for x
    x = 102,809,607,260,387.91/11,586,338.60
  6. Step 6: Final answer
    x = 8,873,347.38

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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.