Home / 10,269,081.79-15,381,477.20-9,665,422.81

Finding the Fourth Proportional to 10,269,081.79, 15,381,477.20 and 9,665,422.81

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Solution

The fourth proportional to 10,269,081.79, 15,381,477.20 and 9,665,422.81 is: 14,477,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,081.79 : 15,381,477.20 = 9,665,422.81 : x
  2. Step 2: Convert to fraction form
    10,269,081.79/15,381,477.20 = 9,665,422.81/x
  3. Step 3: Cross multiply
    10,269,081.79x = 15,381,477.20 × 9,665,422.81
  4. Step 4: Simplify right side
    10,269,081.79x = 148,668,480,532,047.84
  5. Step 5: Solve for x
    x = 148,668,480,532,047.84/10,269,081.79
  6. Step 6: Final answer
    x = 14,477,290.53

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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.