Home / 13,560,240.09-18,713,268.67-7,365,407.78

Finding the Fourth Proportional to 13,560,240.09, 18,713,268.67 and 7,365,407.78

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Solution

The fourth proportional to 13,560,240.09, 18,713,268.67 and 7,365,407.78 is: 10,164,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,240.09 : 18,713,268.67 = 7,365,407.78 : x
  2. Step 2: Convert to fraction form
    13,560,240.09/18,713,268.67 = 7,365,407.78/x
  3. Step 3: Cross multiply
    13,560,240.09x = 18,713,268.67 × 7,365,407.78
  4. Step 4: Simplify right side
    13,560,240.09x = 137,830,854,651,248.27
  5. Step 5: Solve for x
    x = 137,830,854,651,248.27/13,560,240.09
  6. Step 6: Final answer
    x = 10,164,337.34

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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.