Home / 18,063,903.40-27,087,981.90-7,277,619.40

Finding the Fourth Proportional to 18,063,903.40, 27,087,981.90 and 7,277,619.40

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Solution

The fourth proportional to 18,063,903.40, 27,087,981.90 and 7,277,619.40 is: 10,913,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063,903.40 : 27,087,981.90 = 7,277,619.40 : x
  2. Step 2: Convert to fraction form
    18,063,903.40/27,087,981.90 = 7,277,619.40/x
  3. Step 3: Cross multiply
    18,063,903.40x = 27,087,981.90 × 7,277,619.40
  4. Step 4: Simplify right side
    18,063,903.40x = 197,136,022,582,288.84
  5. Step 5: Solve for x
    x = 197,136,022,582,288.84/18,063,903.40
  6. Step 6: Final answer
    x = 10,913,257.13

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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.