Home / 10,388,332.90-14,335,649.16-5,678,519.06

Finding the Fourth Proportional to 10,388,332.90, 14,335,649.16 and 5,678,519.06

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Solution

The fourth proportional to 10,388,332.90, 14,335,649.16 and 5,678,519.06 is: 7,836,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,332.90 : 14,335,649.16 = 5,678,519.06 : x
  2. Step 2: Convert to fraction form
    10,388,332.90/14,335,649.16 = 5,678,519.06/x
  3. Step 3: Cross multiply
    10,388,332.90x = 14,335,649.16 × 5,678,519.06
  4. Step 4: Simplify right side
    10,388,332.90x = 81,405,256,992,532.98
  5. Step 5: Solve for x
    x = 81,405,256,992,532.98/10,388,332.90
  6. Step 6: Final answer
    x = 7,836,219.51

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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.