Home / 13,012,120.62-17,956,507.23-7,210,890.54

Finding the Fourth Proportional to 13,012,120.62, 17,956,507.23 and 7,210,890.54

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Solution

The fourth proportional to 13,012,120.62, 17,956,507.23 and 7,210,890.54 is: 9,950,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,120.62 : 17,956,507.23 = 7,210,890.54 : x
  2. Step 2: Convert to fraction form
    13,012,120.62/17,956,507.23 = 7,210,890.54/x
  3. Step 3: Cross multiply
    13,012,120.62x = 17,956,507.23 × 7,210,890.54
  4. Step 4: Simplify right side
    13,012,120.62x = 129,482,408,116,248.61
  5. Step 5: Solve for x
    x = 129,482,408,116,248.61/13,012,120.62
  6. Step 6: Final answer
    x = 9,950,907.46

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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.