Home / 13,011,232.80-17,955,606.72-7,210,111.44

Finding the Fourth Proportional to 13,011,232.80, 17,955,606.72 and 7,210,111.44

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Solution

The fourth proportional to 13,011,232.80, 17,955,606.72 and 7,210,111.44 is: 9,950,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,232.80 : 17,955,606.72 = 7,210,111.44 : x
  2. Step 2: Convert to fraction form
    13,011,232.80/17,955,606.72 = 7,210,111.44/x
  3. Step 3: Cross multiply
    13,011,232.80x = 17,955,606.72 × 7,210,111.44
  4. Step 4: Simplify right side
    13,011,232.80x = 129,461,925,424,012.88
  5. Step 5: Solve for x
    x = 129,461,925,424,012.88/13,011,232.80
  6. Step 6: Final answer
    x = 9,950,012.23

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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.