Home / 10,143,329.61-13,999,297.28-6,422,506.50

Finding the Fourth Proportional to 10,143,329.61, 13,999,297.28 and 6,422,506.50

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Solution

The fourth proportional to 10,143,329.61, 13,999,297.28 and 6,422,506.50 is: 8,864,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,329.61 : 13,999,297.28 = 6,422,506.50 : x
  2. Step 2: Convert to fraction form
    10,143,329.61/13,999,297.28 = 6,422,506.50/x
  3. Step 3: Cross multiply
    10,143,329.61x = 13,999,297.28 × 6,422,506.50
  4. Step 4: Simplify right side
    10,143,329.61x = 89,910,577,744,119.80
  5. Step 5: Solve for x
    x = 89,910,577,744,119.80/10,143,329.61
  6. Step 6: Final answer
    x = 8,864,010.26

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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.