Home / 10,621,611.06-15,932,364.03-9,177,901.25

Finding the Fourth Proportional to 10,621,611.06, 15,932,364.03 and 9,177,901.25

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Solution

The fourth proportional to 10,621,611.06, 15,932,364.03 and 9,177,901.25 is: 13,766,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,611.06 : 15,932,364.03 = 9,177,901.25 : x
  2. Step 2: Convert to fraction form
    10,621,611.06/15,932,364.03 = 9,177,901.25/x
  3. Step 3: Cross multiply
    10,621,611.06x = 15,932,364.03 × 9,177,901.25
  4. Step 4: Simplify right side
    10,621,611.06x = 146,225,663,685,731.72
  5. Step 5: Solve for x
    x = 146,225,663,685,731.72/10,621,611.06
  6. Step 6: Final answer
    x = 13,766,806.45

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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.