Home / 18,739,312.59-25,859,765.63-10,366,991.67

Finding the Fourth Proportional to 18,739,312.59, 25,859,765.63 and 10,366,991.67

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Solution

The fourth proportional to 18,739,312.59, 25,859,765.63 and 10,366,991.67 is: 14,306,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,312.59 : 25,859,765.63 = 10,366,991.67 : x
  2. Step 2: Convert to fraction form
    18,739,312.59/25,859,765.63 = 10,366,991.67/x
  3. Step 3: Cross multiply
    18,739,312.59x = 25,859,765.63 × 10,366,991.67
  4. Step 4: Simplify right side
    18,739,312.59x = 268,087,974,874,362.28
  5. Step 5: Solve for x
    x = 268,087,974,874,362.28/18,739,312.59
  6. Step 6: Final answer
    x = 14,306,179.78

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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.