Home / 13,011,409.98-17,955,852.03-7,210,288.53

Finding the Fourth Proportional to 13,011,409.98, 17,955,852.03 and 7,210,288.53

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Solution

The fourth proportional to 13,011,409.98, 17,955,852.03 and 7,210,288.53 is: 9,950,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,409.98 : 17,955,852.03 = 7,210,288.53 : x
  2. Step 2: Convert to fraction form
    13,011,409.98/17,955,852.03 = 7,210,288.53/x
  3. Step 3: Cross multiply
    13,011,409.98x = 17,955,852.03 × 7,210,288.53
  4. Step 4: Simplify right side
    13,011,409.98x = 129,466,873,938,286.23
  5. Step 5: Solve for x
    x = 129,466,873,938,286.23/13,011,409.98
  6. Step 6: Final answer
    x = 9,950,257.05

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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.