Home / 13,643,006.72-18,827,233.80-7,531,304

Finding the Fourth Proportional to 13,643,006.72, 18,827,233.80 and 7,531,304

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Solution

The fourth proportional to 13,643,006.72, 18,827,233.80 and 7,531,304 is: 10,393,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,006.72 : 18,827,233.80 = 7,531,304 : x
  2. Step 2: Convert to fraction form
    13,643,006.72/18,827,233.80 = 7,531,304/x
  3. Step 3: Cross multiply
    13,643,006.72x = 18,827,233.80 × 7,531,304
  4. Step 4: Simplify right side
    13,643,006.72x = 141,793,621,226,875.22
  5. Step 5: Solve for x
    x = 141,793,621,226,875.22/13,643,006.72
  6. Step 6: Final answer
    x = 10,393,135.78

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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.