Home / 10,225,786.66-14,111,880.68-5,642,403.28

Finding the Fourth Proportional to 10,225,786.66, 14,111,880.68 and 5,642,403.28

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Solution

The fourth proportional to 10,225,786.66, 14,111,880.68 and 5,642,403.28 is: 7,786,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225,786.66 : 14,111,880.68 = 5,642,403.28 : x
  2. Step 2: Convert to fraction form
    10,225,786.66/14,111,880.68 = 5,642,403.28/x
  3. Step 3: Cross multiply
    10,225,786.66x = 14,111,880.68 × 5,642,403.28
  4. Step 4: Simplify right side
    10,225,786.66x = 79,624,921,835,800.62
  5. Step 5: Solve for x
    x = 79,624,921,835,800.62/10,225,786.66
  6. Step 6: Final answer
    x = 7,786,679.35

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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.