Home / 10,584,047.20-15,876,070.80-6,322,021.60

Finding the Fourth Proportional to 10,584,047.20, 15,876,070.80 and 6,322,021.60

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Solution

The fourth proportional to 10,584,047.20, 15,876,070.80 and 6,322,021.60 is: 9,483,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584,047.20 : 15,876,070.80 = 6,322,021.60 : x
  2. Step 2: Convert to fraction form
    10,584,047.20/15,876,070.80 = 6,322,021.60/x
  3. Step 3: Cross multiply
    10,584,047.20x = 15,876,070.80 × 6,322,021.60
  4. Step 4: Simplify right side
    10,584,047.20x = 100,368,862,520,729.28
  5. Step 5: Solve for x
    x = 100,368,862,520,729.28/10,584,047.20
  6. Step 6: Final answer
    x = 9,483,032.40

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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.