Home / 13,017,133.80-17,962,437.69-7,215,422.13

Finding the Fourth Proportional to 13,017,133.80, 17,962,437.69 and 7,215,422.13

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Solution

The fourth proportional to 13,017,133.80, 17,962,437.69 and 7,215,422.13 is: 9,956,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,133.80 : 17,962,437.69 = 7,215,422.13 : x
  2. Step 2: Convert to fraction form
    13,017,133.80/17,962,437.69 = 7,215,422.13/x
  3. Step 3: Cross multiply
    13,017,133.80x = 17,962,437.69 × 7,215,422.13
  4. Step 4: Simplify right side
    13,017,133.80x = 129,606,570,417,172.09
  5. Step 5: Solve for x
    x = 129,606,570,417,172.09/13,017,133.80
  6. Step 6: Final answer
    x = 9,956,613.52

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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.