Home / 7,147,280.88-9,865,546.20-4,575,887.28

Finding the Fourth Proportional to 7,147,280.88, 9,865,546.20 and 4,575,887.28

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Solution

The fourth proportional to 7,147,280.88, 9,865,546.20 and 4,575,887.28 is: 6,316,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,280.88 : 9,865,546.20 = 4,575,887.28 : x
  2. Step 2: Convert to fraction form
    7,147,280.88/9,865,546.20 = 4,575,887.28/x
  3. Step 3: Cross multiply
    7,147,280.88x = 9,865,546.20 × 4,575,887.28
  4. Step 4: Simplify right side
    7,147,280.88x = 45,143,627,366,832.34
  5. Step 5: Solve for x
    x = 45,143,627,366,832.34/7,147,280.88
  6. Step 6: Final answer
    x = 6,316,196.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.