Home / 27,708,760.80-38,238,146.28-15,485,617.80

Finding the Fourth Proportional to 27,708,760.80, 38,238,146.28 and 15,485,617.80

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Solution

The fourth proportional to 27,708,760.80, 38,238,146.28 and 15,485,617.80 is: 21,370,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708,760.80 : 38,238,146.28 = 15,485,617.80 : x
  2. Step 2: Convert to fraction form
    27,708,760.80/38,238,146.28 = 15,485,617.80/x
  3. Step 3: Cross multiply
    27,708,760.80x = 38,238,146.28 × 15,485,617.80
  4. Step 4: Simplify right side
    27,708,760.80x = 592,141,318,672,571.88
  5. Step 5: Solve for x
    x = 592,141,318,672,571.88/27,708,760.80
  6. Step 6: Final answer
    x = 21,370,184.07

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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.