Home / 13,643,149.62-18,827,606.61-7,531,628.34

Finding the Fourth Proportional to 13,643,149.62, 18,827,606.61 and 7,531,628.34

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Solution

The fourth proportional to 13,643,149.62, 18,827,606.61 and 7,531,628.34 is: 10,393,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,149.62 : 18,827,606.61 = 7,531,628.34 : x
  2. Step 2: Convert to fraction form
    13,643,149.62/18,827,606.61 = 7,531,628.34/x
  3. Step 3: Cross multiply
    13,643,149.62x = 18,827,606.61 × 7,531,628.34
  4. Step 4: Simplify right side
    13,643,149.62x = 141,802,535,518,247.31
  5. Step 5: Solve for x
    x = 141,802,535,518,247.31/13,643,149.62
  6. Step 6: Final answer
    x = 10,393,680.31

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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.