Home / 12,832,996.64-17,709,539.64-7,031,731.28

Finding the Fourth Proportional to 12,832,996.64, 17,709,539.64 and 7,031,731.28

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Solution

The fourth proportional to 12,832,996.64, 17,709,539.64 and 7,031,731.28 is: 9,703,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832,996.64 : 17,709,539.64 = 7,031,731.28 : x
  2. Step 2: Convert to fraction form
    12,832,996.64/17,709,539.64 = 7,031,731.28/x
  3. Step 3: Cross multiply
    12,832,996.64x = 17,709,539.64 × 7,031,731.28
  4. Step 4: Simplify right side
    12,832,996.64x = 124,528,723,840,987.95
  5. Step 5: Solve for x
    x = 124,528,723,840,987.95/12,832,996.64
  6. Step 6: Final answer
    x = 9,703,791.51

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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.