Home / 13,118,422.62-18,103,303.14-7,238,110.98

Finding the Fourth Proportional to 13,118,422.62, 18,103,303.14 and 7,238,110.98

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Solution

The fourth proportional to 13,118,422.62, 18,103,303.14 and 7,238,110.98 is: 9,988,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,422.62 : 18,103,303.14 = 7,238,110.98 : x
  2. Step 2: Convert to fraction form
    13,118,422.62/18,103,303.14 = 7,238,110.98/x
  3. Step 3: Cross multiply
    13,118,422.62x = 18,103,303.14 × 7,238,110.98
  4. Step 4: Simplify right side
    13,118,422.62x = 131,033,717,231,902.48
  5. Step 5: Solve for x
    x = 131,033,717,231,902.48/13,118,422.62
  6. Step 6: Final answer
    x = 9,988,526.90

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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.