Home / 18,144,749.70-25,039,474.65-9,996,279.30

Finding the Fourth Proportional to 18,144,749.70, 25,039,474.65 and 9,996,279.30

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Solution

The fourth proportional to 18,144,749.70, 25,039,474.65 and 9,996,279.30 is: 13,794,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,749.70 : 25,039,474.65 = 9,996,279.30 : x
  2. Step 2: Convert to fraction form
    18,144,749.70/25,039,474.65 = 9,996,279.30/x
  3. Step 3: Cross multiply
    18,144,749.70x = 25,039,474.65 × 9,996,279.30
  4. Step 4: Simplify right side
    18,144,749.70x = 250,301,582,126,669.75
  5. Step 5: Solve for x
    x = 250,301,582,126,669.75/18,144,749.70
  6. Step 6: Final answer
    x = 13,794,711.21

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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.