Home / 13,167,040.03-19,728,992.12-7,012,487.32

Finding the Fourth Proportional to 13,167,040.03, 19,728,992.12 and 7,012,487.32

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Solution

The fourth proportional to 13,167,040.03, 19,728,992.12 and 7,012,487.32 is: 10,507,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,040.03 : 19,728,992.12 = 7,012,487.32 : x
  2. Step 2: Convert to fraction form
    13,167,040.03/19,728,992.12 = 7,012,487.32/x
  3. Step 3: Cross multiply
    13,167,040.03x = 19,728,992.12 × 7,012,487.32
  4. Step 4: Simplify right side
    13,167,040.03x = 138,349,307,046,088.64
  5. Step 5: Solve for x
    x = 138,349,307,046,088.64/13,167,040.03
  6. Step 6: Final answer
    x = 10,507,244.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.