Home / 13,560,239.09-18,713,267.29-7,365,406.78

Finding the Fourth Proportional to 13,560,239.09, 18,713,267.29 and 7,365,406.78

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Solution

The fourth proportional to 13,560,239.09, 18,713,267.29 and 7,365,406.78 is: 10,164,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,239.09 : 18,713,267.29 = 7,365,406.78 : x
  2. Step 2: Convert to fraction form
    13,560,239.09/18,713,267.29 = 7,365,406.78/x
  3. Step 3: Cross multiply
    13,560,239.09x = 18,713,267.29 × 7,365,406.78
  4. Step 4: Simplify right side
    13,560,239.09x = 137,830,825,806,316.58
  5. Step 5: Solve for x
    x = 137,830,825,806,316.58/13,560,239.09
  6. Step 6: Final answer
    x = 10,164,335.96

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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.