Home / 13,643,152.62-18,827,610.75-7,531,631.34

Finding the Fourth Proportional to 13,643,152.62, 18,827,610.75 and 7,531,631.34

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Solution

The fourth proportional to 13,643,152.62, 18,827,610.75 and 7,531,631.34 is: 10,393,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,152.62 : 18,827,610.75 = 7,531,631.34 : x
  2. Step 2: Convert to fraction form
    13,643,152.62/18,827,610.75 = 7,531,631.34/x
  3. Step 3: Cross multiply
    13,643,152.62x = 18,827,610.75 × 7,531,631.34
  4. Step 4: Simplify right side
    13,643,152.62x = 141,802,623,182,020.91
  5. Step 5: Solve for x
    x = 141,802,623,182,020.91/13,643,152.62
  6. Step 6: Final answer
    x = 10,393,684.45

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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.