Home / 13,560,525.71-18,713,677.09-7,980,006.03

Finding the Fourth Proportional to 13,560,525.71, 18,713,677.09 and 7,980,006.03

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Solution

The fourth proportional to 13,560,525.71, 18,713,677.09 and 7,980,006.03 is: 11,012,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,525.71 : 18,713,677.09 = 7,980,006.03 : x
  2. Step 2: Convert to fraction form
    13,560,525.71/18,713,677.09 = 7,980,006.03/x
  3. Step 3: Cross multiply
    13,560,525.71x = 18,713,677.09 × 7,980,006.03
  4. Step 4: Simplify right side
    13,560,525.71x = 149,335,256,069,095.94
  5. Step 5: Solve for x
    x = 149,335,256,069,095.94/13,560,525.71
  6. Step 6: Final answer
    x = 11,012,497.55

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1.5x scale

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.