Home / 18,531,951.40-27,797,927.10-13,748,982.40

Finding the Fourth Proportional to 18,531,951.40, 27,797,927.10 and 13,748,982.40

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Solution

The fourth proportional to 18,531,951.40, 27,797,927.10 and 13,748,982.40 is: 20,623,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,951.40 : 27,797,927.10 = 13,748,982.40 : x
  2. Step 2: Convert to fraction form
    18,531,951.40/27,797,927.10 = 13,748,982.40/x
  3. Step 3: Cross multiply
    18,531,951.40x = 27,797,927.10 × 13,748,982.40
  4. Step 4: Simplify right side
    18,531,951.40x = 382,193,210,454,383.06
  5. Step 5: Solve for x
    x = 382,193,210,454,383.06/18,531,951.40
  6. Step 6: Final answer
    x = 20,623,473.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.