Home / 10,388,329.12-14,335,643.94-5,678,515.27

Finding the Fourth Proportional to 10,388,329.12, 14,335,643.94 and 5,678,515.27

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Solution

The fourth proportional to 10,388,329.12, 14,335,643.94 and 5,678,515.27 is: 7,836,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,329.12 : 14,335,643.94 = 5,678,515.27 : x
  2. Step 2: Convert to fraction form
    10,388,329.12/14,335,643.94 = 5,678,515.27/x
  3. Step 3: Cross multiply
    10,388,329.12x = 14,335,643.94 × 5,678,515.27
  4. Step 4: Simplify right side
    10,388,329.12x = 81,405,173,018,572.95
  5. Step 5: Solve for x
    x = 81,405,173,018,572.95/10,388,329.12
  6. Step 6: Final answer
    x = 7,836,214.28

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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.