Home / 28,452,546.15-42,678,929.96-6,887,113.25

Finding the Fourth Proportional to 28,452,546.15, 42,678,929.96 and 6,887,113.25

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Solution

The fourth proportional to 28,452,546.15, 42,678,929.96 and 6,887,113.25 is: 10,330,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,546.15 : 42,678,929.96 = 6,887,113.25 : x
  2. Step 2: Convert to fraction form
    28,452,546.15/42,678,929.96 = 6,887,113.25/x
  3. Step 3: Cross multiply
    28,452,546.15x = 42,678,929.96 × 6,887,113.25
  4. Step 4: Simplify right side
    28,452,546.15x = 293,934,623,775,507.75
  5. Step 5: Solve for x
    x = 293,934,623,775,507.75/28,452,546.15
  6. Step 6: Final answer
    x = 10,330,696.67

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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.