Home / 21,554,211.78-32,336,465.32-7,177,404.14

Finding the Fourth Proportional to 21,554,211.78, 32,336,465.32 and 7,177,404.14

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Solution

The fourth proportional to 21,554,211.78, 32,336,465.32 and 7,177,404.14 is: 10,767,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,211.78 : 32,336,465.32 = 7,177,404.14 : x
  2. Step 2: Convert to fraction form
    21,554,211.78/32,336,465.32 = 7,177,404.14/x
  3. Step 3: Cross multiply
    21,554,211.78x = 32,336,465.32 × 7,177,404.14
  4. Step 4: Simplify right side
    21,554,211.78x = 232,091,880,060,734.41
  5. Step 5: Solve for x
    x = 232,091,880,060,734.41/21,554,211.78
  6. Step 6: Final answer
    x = 10,767,820.34

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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.