Home / 10,012,871.48-15,014,338.40-3,188,555.32

Finding the Fourth Proportional to 10,012,871.48, 15,014,338.40 and 3,188,555.32

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Solution

The fourth proportional to 10,012,871.48, 15,014,338.40 and 3,188,555.32 is: 4,781,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,871.48 : 15,014,338.40 = 3,188,555.32 : x
  2. Step 2: Convert to fraction form
    10,012,871.48/15,014,338.40 = 3,188,555.32/x
  3. Step 3: Cross multiply
    10,012,871.48x = 15,014,338.40 × 3,188,555.32
  4. Step 4: Simplify right side
    10,012,871.48x = 47,874,048,581,600.29
  5. Step 5: Solve for x
    x = 47,874,048,581,600.29/10,012,871.48
  6. Step 6: Final answer
    x = 4,781,250.68

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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.