Home / 18,049,980.60-27,072,065.70-5,267,489.40

Finding the Fourth Proportional to 18,049,980.60, 27,072,065.70 and 5,267,489.40

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Solution

The fourth proportional to 18,049,980.60, 27,072,065.70 and 5,267,489.40 is: 7,900,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049,980.60 : 27,072,065.70 = 5,267,489.40 : x
  2. Step 2: Convert to fraction form
    18,049,980.60/27,072,065.70 = 5,267,489.40/x
  3. Step 3: Cross multiply
    18,049,980.60x = 27,072,065.70 × 5,267,489.40
  4. Step 4: Simplify right side
    18,049,980.60x = 142,601,819,110,853.59
  5. Step 5: Solve for x
    x = 142,601,819,110,853.59/18,049,980.60
  6. Step 6: Final answer
    x = 7,900,386.28

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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.